Return the evaporating dish with the hydrate to the wire gauze. Your feedback is much appreciated and help me improve my resource materials to benefit you as an educator. Two forms of this lab included for student differentiation. Skip to main content Skip to navigation Mast navigation Register Sign In Search our site All All Resources Articles Furthermore, the Copper Sulfate and the distilled water had to be thoroughly mixed up by shaking the test tubes. Experiment_605_Hydrates_1_2_1 - Chemistry LibreTexts $$\Delta X=\frac{\sqrt{(\Delta W_0)^2 W_e^2+(\Delta W_e)^2 W_0^2}}{W_e^2}\left(\frac{M_{CuSO_4}}{M_{H_2O}}\right) \tag{3}$$. * Salt Finding the formula of hydrated copper(II) sulfate | Experiment | RSC Education In this experiment students will measure the mass of hydrated copper(II) sulfate before and after heating and use mole calculations to find the formula. A 15.67 g sample of a hydrate of magnesium carbonate was heated, without decomposing the carbonate, to drive off the water. Solutions were made up of two parts, the solute and the solvent. As a result the actual so with this last source of error you edited in (the 0.02 g) my estimate of $\Delta W_e=0.1$g actually seems quite realistic. Hydrates generally contain water in stoichiometric amounts; hydrates formulae are represented using the formula of the anhydrous (non-water) component of the complex followed by a dot then the water (\(\ce{H2O}\)) preceded by a number corresponding to the ratio of \(\ce{H2O}\) moles per mole of the anhydrous component present. You should then decide if the compound is hygroscopic, efflorescent or neither using the change in the mass of the substance. 1. Then reheat the solution to dryness. * Candle Minutes in set-up time! At that time, the copper sulfate had turned a yellowish-white. When this color change appears to be complete, add 3 to 5 mL of water and observe the color of the dissolved substance. Embedded hyperlinks in a thesis or research paper. 7H 2 O) is a heptahydrate of magnesium sulfate: within one mole of magnesium sulfate heptahydrate are seven moles of water. What will be the effect, on the mass of the residue, of not heating the hydrate enough to drive off all the water of hydration in the hydrate. Try to avoid and popping or . When you would go to mass the anhydrous salt, some of the mass would be missing as it would be in the air. ALL of the Chemistry Labs you need for a WHOLE year!! This mass was taken after the substance was heated. This lab explored hydrates and the 4 objectives in a three procedure process through observation, experimentation, and mathematical methods to help prove whether dehydration of a hydrate is, Equipment and materials used in one or more procedure included: Hydrated copper sulfate, observation and experimentation. temperature change caused by the reaction is hard to measure. Added deionized water to the anhydrous copper sulfate, at which point it became hydrated again, and returned to its original blue coloration. The water is present in a definite and consistent ratio. Hydrate Teaching Resources | TPT Lab written for Hotplate or Bunsen burner.Students: Observe water leaving compound as steam Heat to constant mass Calculate percent water Re-hydrate the anhydrous compoundLab Contains: Student Lab Sh, This lab is a great way for your students to investigate what a hydrate is and how its formula is determined. The number you found for the water replaced the x in the formula CuSO, The actual (true) value is 5, so the formula would be CuSO. Set up the apparatus as shown (but without water in the receiving tube - this is to be collected during the experiment), placing about 5 g of powdered hydrated copper(II) sulfate in the test tube. These compounds are not considered true hydrates as the hydration process is not reversible. Instead you are to complete the three problems below in your lab book using what you learned from the lab. I can also customize anything you've already purchased.Check out some of my other work!Atomic StructureIonic CompoundsNomenclatureGeneral ChemistryScientific Method, End your nomenclature unit with a lab! 3. If, like @brinnb suggests, an additional reduction in $W_e$ could be expected due to adhered water say that the error in $W_e$ is $0.1$ g you already get to $\Delta X=0.17$ mol water per mol copper sulphate. These errors made the absorbance values measured by the SpectroVis off from what it should have been. Our goal is to determine this value by comparing the moles of copper sulfate (anhydrate) to the moles of water. Weigh and record the mass of the cooled crucible with its cover and content (anhydrous residue). AB1 In this section you will observe the changes in the physical properties of compounds, including wetness, color, structure, texture and mass. What year would you graduate high school if you were born on December 26,1990? Copper Sulfate's Water of Hydration Lab: Enrichment Activity. Then I re-weighed. Answer: He weighs a clean and dry crucible with its cover and records a mass of 18.456 g. He then weighs the sample in the crucible and cover and obtains a mass of 19.566 g. He heats the sample, allows it to cool to room temperature and reweighs it to obtain a mass of 19.062 g. In the process, the samples color changed from red- burgundy to blue. Heating will shift the equation of dehydration below to the right since it is an endothermic reaction. Determining the Water Percentage Within Copper Sulfate - WritingBros NomenclaturePossible Uses- Worksheet- Activity- Homework- Classwork- Test Review- Quiz ReviewFeedbackHave questions or feedback? Placed crucible on mesh pad using tongs (from this point, the crucible was handled solely with tongs until the experiment concluded), and allowed to cool to room temperature. Asking for help, clarification, or responding to other answers. Where's my experimental error coming from? Weigh the crucible with its cover to the nearest 0.001 g. Making sure to handle the crucible and its cover with clean tongs, add about 1 g (weighed to the nearest 0.001 g) of the unknown hydrate. Concentrations are based on how much solute is in a solvent, and is reported by the units of molarity. Is Brooke shields related to willow shields? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Save the residue and perform your calculations. Record the mass of the crucible, cover and sample. However, immediately after the first heating, It can be clearly seen that the heated copper sulfate has now transformed into a grainy and whitish-gray form. Copper Sulfate Lab Report - 773 Words | Bartleby Easel assessment included with this lesson plan.CDC HEALTH STANDARD SEVEN: Students will demonstrate the ability to practice health enhancing behaviors and to avoid or re, 9 worksheets to practice naming and writing formulas for ionic and covalent compounds, including acids and hydrates. Happy teaching and have an, Students find the Empirical Formula of Epsom Salt. In this activity, I will construct an electroplating apparatus and observe the process of electroplating. * (Unlikely, considering that the ratios between the two, both stoichiometric and percent water content, would be smaller in such an instance. Coloring pages - Water facts, how it helps the brain, how it helps the body, ideas on drinking more water. Honors Chemistry - You do not need to write three paragraphs for this conclusion. So iron(II) sulphate Once students have answered, they use the colo, Fully editable slide presentationHave you ever wondered why you get a lot of headaches, your muscle doesn't function as well and your immune system is low. when does coordination become the distinctive task of management why? Solids: Nickel (II) chloride, Cobalt (II) chloride, Sucrose, Calcium Carbonate, Barium chloride, Sodium tetraborate, Potassium chloride, Sodium sulfate hydrate, Iron (III) chloride, Potassium aluminum sulfate, Calcium chloride, Copper sulfate, Unknown. Will this likely lead to a higher or lower value of \(x\) than the actual value. Second, the results are great! Hydrates Lab Report introduction the purpose of this experiment was to explore and evaluate the bonding properties and characteristics of hydrates. Each worksheet has a full preview available. Empirical Formula of a Hydrate Chemistry Lab. This mass was taken before the substance was heated. Paragraph #1: Purpose and a brief description of what you did. Has the Melford Hall manuscript poem "Whoso terms love a fire" been attributed to any poetDonne, Roe, or other? 6. * Ammonium hydroxide \[ \underbrace{\ce{CuSO4*5H2O (s)}}_{\text{Deep Blue}} \ce{->[\Delta]} \underbrace{ \ce{CuSO4 (s)}}_{\text{Ashy White}} \ce{+ 5 H2O (g)} \label{1}\], \[ \underbrace{\ce{CuSO4 (s)}}_{\text{Ashy White}} \ce{->[\ce{H2O (l)} ]} \underbrace{ \ce{CuSO4 (aq)}}_{\text{Deep Blue}} \label{2}\]. |Score | (3 points) Use the information collected in lab found below to fill in the blanks for the gram amounts above: Use this picture to get the mass of the empty crucible and fill it in above. Period: 5 1 A student is given a cobalt (II) chloride hydrate. Which are the best resorts for conference venues in Jim Corbett? Previous to an exposure to heat via the stove, it can be seen that the copper sulfate bear the natural form and colour of a bright blue crystal. 5: Properties of Hydrates (Experiment) - Chemistry LibreTexts Wt before: 13.030.9836 = 12.82g hydrate Any time she touches the apparatus its under close supervision by myself. Hows your energy level around mid-morning?This health trio bundle will give you and your students the much-needed information as to why eating breakfast, hydrating with the right liquids and sleeping well are important parts of keeping your body and well-being healthy. clip art, assessment, writing prompt, art activity, answer key, printables, no prep needed. Problem #2: A hydrate of Na2CO3 has a mass of 4.31 g before heating. I can also customize anything you', Looking for an engaging way for your students to review nomenclature for acids, bases and hydrates? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Natural Gas Hydrates, Fourth Edition, provides a critical reference for engineers who are new to the field. So now the final thing left to do is estimate how big $\Delta W_0$ and $\Delta W_e$ are. In the Hydrate lab at first, a sample of approximately 0.1000 grams of copper (II) sulfate pentahydrate was heated for the purpose to cause a chemical reaction that would remove all of the water molecules in order to determine the number of moles of water in the inorganic I weighed out some of the hydrate into another dry dish, flattened it out as much as possible within the confines of the dish to expose as much surface area as possible, and left it in the airing cupboard for 24h at 26 degrees Celsius. Instead, as seen calibration results, more of each was used. October 3, 2017 1.7: Experiment 6 - Hydration of Salt - Chemistry LibreTexts Compounds to be tested: Nickel (II) chloride, Cobalt (II) chloride, Sucrose, Calcium Carbonate, Barium chloride, Sodium tetraborate, Potassium chloride. Adding EV Charger (100A) in secondary panel (100A) fed off main (200A). copper (II) sulfate hydrate. Lab Report The focus of this lesson is defining hydrates, the lab procedure of dehydrating a hydrate, doing percent of hydration and percent error calculations and naming hydrates. Solved Name Formula of Hydrates Lab Report Data and - Chegg However, this lab allows them to apply what they've learned about percent composition, hydrates, and empirical formulas in a real world example! Question: Name Formula of Hydrates Lab Report Data and Calculations: Copper (II) sulfate hydrate Trial 1 Trial 2 19.244 20.546 24.504 27.689 Mass of crucible and cover (6) Mass of crucible, cover, sample before heating is) Mass crucible, cover, sample after heating (8) Mass of hydrate() 22.606 25.111 Mass of anhydrous solide Mass of water driven off (e) Moles of water The purpose of this lab is to determine the relationship between moles of copper sulfate and moles of water in a hydrate. For this step, you are just changing your grams of copper sulfate anhydrate (white powder) to moles using factor labeling. Solved Post-Lab Questions 1. If the correct formula of - Chegg Wt after: 8.22g (However, this is not likely to be the sole cause of the inaccuracies within this experiment, though it may contribute to it. Do Eric benet and Lisa bonet have a child together? Assumed water content: 42.6841.98 = 0.7g (!!!). Add highlights, virtual manipulatives, and more. Platform provided by Digication, Inc. In this lab, a SpectroVis was used to determine the concentration of an unknown substance. Examine your moles of anhydrate and moles of water that you just calculated, divide each by the smaller mole amount. What are the sources of errors in the experiment of determine of enthalpy change of hydration of copper ii sulphate six? They are typically named by stating the name of the anhydrous component followed by the Greek prefix specifying the number of moles of water present then the word hydrate (example: \(\ce{MgSO4*7H2O}\): magnesium sulfate heptahydrate). Naming and Formulas: Simple Ionic and Covalent Compounds Heating on the other hand would introduce heat change and thus a Be sure to subtract out the crucible before putting it into the proper space above. \[x = \frac{n_{\ce{H2O}}}{n_{\text{Anhydrous Solid}}} \label{6}\]. Reasons to use this instead of removing water from a hydrateYou want to do a "trial run" of the lab before performing it with your studentsYou don't have a labYou don't have enough lab materials or che, In this lab, students will remove the water from copper (II) sulfate pentahydrate by heating and determine the empirical formula. So you will get 1 copper sulfate and your amount of water should be larger than 1 when you divide by the smallest. Conclusion The mass percent of water in copper sulfate pentahydrate is _______. In this lab, the student will determine the percentage of water in the hydrate by comparing the mass of the hydrate to the mass of the anhydrous salt. Through this the appropriate reaction had to be determined out of the two possibilities. What's the cheapest way to buy out a sibling's share of our parents house if I have no cash and want to pay less than the appraised value? What is "water of hydration" and how does it affect me (you)? To learn more, see our tips on writing great answers. When hydrates are heated, the water is released from the compound as water vapor. Chemicals: Copper (II) sulfate hydrateStudents will experimentally determine the percent composition of water in the copper (II) sulfate hydrate. Ive compared its readings at weights of about 2, about 20, and about 50g, with another similar model, and they agree to within 10mg (one digit in the final decimal place) at all weights. We can also (via stochiometric and molar ratios), calculate the ratio of salt to water. Why purchase my version of this lab? The lab requires bunsen burners, rings, ring stands, crucibles, crucible tongs, and balances. Measured mass of crucible with anhydrous copper sulfate: 37.3005g. cup' method. There is an example problem included. Copper Sulfate's Water of Hydration Lab Copper Sulfate's Water of Hydration Lab: Enrichment Activity Purpose - To observe the effect of removing the "water of hydration" from hydrated copper(II) sulfate. For $\Delta W_0$ I think it is safe to say that this is only the inaccuracy of the scale, so perhaps $0.01$ g. For $\Delta W_e$ I would go for the worst case scenario: that all of the 0.6% impurity in the original copper sulfate has evaporated, meaning that the weight will be off by 0.6% times $W_0$ i.e. This is a student-centered, active learning lesson without lecture or notetaking! DOC Copper Sulfate's Water of Hydration Lab Covering the fundamental properties, thermodynamics and behavior of hydrates in multiphase systems, this reference explains the basics before advancing to more practical applications, the latest developments and models. A. Copper Sulfate absorbs water easily, forming a weak bond between the copper sulfate and five water molecules. Students dehydrate copper (II) sulfate pentahydrate in a crucible or evaporation dish and use their data to determine the % composition and the number of water molecules per formula unit of copper (II) sulfate. Distilled, Precipitation Reactions Introduction Percent error **hint set up the table with percent composition for water** Percent error = actual % experimental % X 100 = ____ % actual %. When you get this mass remember it includes the mass of the crucible so you need to subtract the mass of the crucible from the total mass. Problem #1: A 15.67 g sample of a hydrate of magnesium carbonate was heated, without decomposing the carbonate, to drive off the water. Heated crucible with hydrated copper sulfate for 3 minutes, before increasing heat, and heating it for 5 more minutes. Chemistry Experiment # _____ Percent of Water in Copper II Sulfate Pentahydrate Name_____ Section_____Date_____ Name(s) of Lab Partner(s) . When you have completed the experiment, dissolve all your heated residues in water, put all your solids and liquids in the waste crock. What does that x value tell you? Record the exact mass of the dish with the hydrate to the nearest 0.01 gram. Record the appearance of the hydrate before it is heated. The reaction of Copper (II) Sulfate, CuSO4, mass of 7.0015g with 2.0095g Fe or iron powder produced a solid precipitate of copper while the solution remained the blue color. It contains a brief introduction to hydrates and then describes the series of calculations that are done to determine the ratio of the moles of water to anhydrate salt. Le Chateliers principle predicts that an addition of heat to an endothermic reaction (heat is a reactant) will shift the reaction to the right (product side). In this lab and unknown hydrate will be heated two separate times over a Bunsen burner to remove as much water from the substance as possible, before and after heating the crucible the masses will be calculated and recorded for future reference. Then use that information to write the formula of the hydrate. In other words, the chemical equation BaCl2 + 2H2O (s) BaCl2 + 2H2O (g), labeled as 5.3 in the original lab report, is best used to describe the transition which took place during this portion of the lab. Chem 1A 04 Lab 3 Hydrate Report - Studocu What can this chemical be? Sulphate, Calcium Sulphate, Barium Sulphate and also Silver * Water The mass of water evaporated is obtained by subtracting the mass of the anhydrous solid from . Even though it was close, the molarities of the five solutions were not exactly the ones that should have been used to carry out the lab. Grace Timler For Part 2: Single-Displacement Reactions: For each of the four single-displacement reactions, describe what happened in each well. The five general types of chemical reactions are synthesis (also known as direct combination), decomposition, single replacement (also known as single displacement), double replacement (also known as double displacement), and combustion. Who makes the plaid blue coat Jesse stone wears in Sea Change? * Phenolphthalein It only takes a minute to sign up. Measure the mass of the empty crucible using the balance. Observations on structure, texture , wetness, etc. Why did DOS-based Windows require HIMEM.SYS to boot? What does that x value tell you? Quizzes with auto-grading, and real-time student data. * Watch glass To participate in this lab it is, that there was no release of acidic vapors during the separating of the water and compound bonds. Any anhydrous compound from a hydrate generally has the following properties: Most hydrates are stable at room temperature. Students will perform an experiment to find the hydrate formula. +1. What did your group get as the formula of the hydrate? Other compounds can spontaneously absorb water from the surrounding atmosphere, they are said to be hygroscopic. We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. Abstract: Download Free PDF View PDF Find out the importance of drinking plenty of water and the adverse health effects of not getting enough water. When this color change appears to be complete, add 3 to 5 mL of water and observe the color of the dissolved substance. Finding the formula of hydrated copper(II) sulfate Mathematics was used to explore wate, servation of mass and the reversibility properties in question. Be sure that the flame will be close enough to the triangle to engulf the entire crucible. The title says what you did. I could perhaps have not heated the hydrate enough, and not driven off all the water but then Id have less than 5, not more, waters per mol. Copper sulfate and potassium iodide precipitate, EXAMPLE HYDRATECUPRIC SULFATE PENTAHYDRATE The coefficient of 5, Copper SourcesUses n Copper cookware n Copper pipes, Characterization of the Heparan Sulfate and Chondroitin Sulfate, Percent of Change Percent of Increase Percent of, Percent Composition What is Percent Composition The percent, Percent Proportion Equation Percent of Change Percent of, Empirical molecular percent composition Percent Composition Percent by, Percent Vpoet potu percent Vypotaj spamti koko percent. Great for Teachers:See if student data is on the right track with a few clicks or copy & paste.Check if calculations and conclusions made by students are right without needing manually doing the calculations.Provide s, This unit covers:1) Percentage Composition by Mass2) Finding Empirical Mass and Formulas3) Finding Molecular Mass and Formulas of Compounds4) Student Presentations Project, with rubric5) Finding Molecular Mass and Formulas of Hydrates6) Lab Activity: Determination of a Formula of a Hydrate7) Assessments and Check for Understandings8) Re-Teach PowerPoints, Over 15 practice problems on hydrate nomenclature, naming, and formula writing, complete with a full answer key.Goes Well With My Other Nomenclature Worksheets. Using crucible tongs, clean a porcelain crucible and its cover using concentrated nitric acid (6 M). Moles of water per mole of \(\ce{CoCl2}\): What color would you expect to see when this student dissolves the blue residue in water at the end of the experiment? Anhydrate: The compound after the water molecule has been removed. Eventually, a linear equation that showed the relationship between absorbance and. The introduction to this lab introduces students to h. Eat, Sleep, Exercise & Hydrate: The Importance of Taking Care of Yourself! 4 fun activities! Some compounds may possess some of the properties of hydrates without being true hydrates. Other hygroscopic substances, such as solid \(\ce{NaOH}\), absorb so much water from the atmosphere that they dissolve in this water, these substances are said to be deliquescent. How to force Unity Editor/TestRunner to run at full speed when in background? What should I follow, if two altimeters show different altitudes? They are very math intensive, and very conceptual in nature. I give you teacher set up instructions, a key, and sample calculations. The iron oxidation state was, Copper-Iron Stoichiometry Cross), Forecasting, Time Series, and Regression (Richard T. O'Connell; Anne B. Koehler), Psychology (David G. Myers; C. Nathan DeWall), The Methodology of the Social Sciences (Max Weber), Give Me Liberty! Ignited Bunsen Burner, and heated crucible for 12 minutes. If the compound possesses all three of the above-mentioned properties, it is a true hydrate; if at least one of them is not present, the compound is not. Copyright 2023. You will be able to edit the document to your needs and share it with your students. (3 points) Heat for 5 minutes using a single-cone blue flame. Hydrate Lab. The copper sulfate moles should be the smaller. You can check for this by looking for the telltale brown/black color of copper oxide. Legal. The mass of water evaporated is obtained by subtracting the mass of the anhydrous solid from the mass of the original hydrate . : an American History (Eric Foner), Chemistry: The Central Science (Theodore E. Brown; H. Eugene H LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward), Biological Science (Freeman Scott; Quillin Kim; Allison Lizabeth), The definition of a hydrate is a chemical that contai, ), hydrated ferrous sulfate, hydrated cobalt sulfate, sucrose, epson salt, 4 test tubes, test, Seidel's Guide to Physical examination (043), Educational Psychology and Development of Children Adolescents (D094), Language Arts Instruction and Intervention (C365), Health Assessment Of Individuals Across The Lifespan (NUR 3065L), Introduction To Project Management Software (CSBU539), PHIL ethics and social responsibility (PHIL 1404), Professional Application in Service Learning I (LDR-461), Advanced Anatomy & Physiology for Health Professions (NUR 4904), Principles Of Environmental Science (ENV 100), Operating Systems 2 (proctored course) (CS 3307), Comparative Programming Languages (CS 4402), Business Core Capstone: An Integrated Application (D083), A&p exam 3 - Study guide for exam 3, Dr. Cummings, Fall 2016, BMGT 364 Planning the SWOT Analysis of Silver Airways, Lesson 13 Paleoseismology Case Studies; Induced Seismicity, Skill Blood Admin - Active Learning Template, Philippine Politics and Governance W1 _ Grade 11/12 Modules SY. present. Copper Sulfate Pentahydrate Lab Report | ipl.org For example, if a given amount of hydrated copper(II) sulfate gave off 0.060 mole of H 2 O and left behind 0.012 mole of anhydrous copper(II) sulfate, CuSO 4, then the ratio of H 2 O to CuSO 4 is 5:1, and the formula would be written as CuSO 4 5H 2 O. Measured mass of crucible with anhydrous copper sulfate: 37.3005g 3rd period Which observations, experiences, or lesson materials helped you form your hypothesis? Disposed of salt within the proper receptacle, cleaned crucible, and returned all equipment to its point of origin. (Qualitative Analysis). A 'chemical' source of error is that the Let's face it, percent composition and empirical formulas are not the most exciting concepts to teach in chemistry. Make sure that the tube is clamped near the bung as shown. Lab Report Score This page titled 5: Properties of Hydrates (Experiment) is shared under a CC BY-NC license and was authored, remixed, and/or curated by Santa Monica College. Chemistry Naming & Formulas: Polyatomic Ions & Hydrates Guided Inquiry Lesson, Composition of a Hydrate Chemical Formula Lab, Naming & Writing Chemical Formulas: Acids & Hydrates |Distance Learning, Naming & Writing Chemical Formulas-LESSONS BUNDLE, Drink more water- hydrating, refreshing, natural. My background is a PhD in organic chemistry, so Im familiar with hazard assessment, and all the lab work I do with my student is something Ive done myself already. 5 H 2 O 6. Molarity is calculated by diving the number of moles in the solute by the volume (in liters) of the complete solution. > A C @ 6 bjbjWW 9n 5 5 r. Through the use of a vacuum filtration system the mass of Cu was, Flame Test Lab Report
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