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Chemical Formula Prelab Questions Name: Ashlyn Neurton Section: O0 Prepare For It! Pre-Lab Questions 1. If 1.07 g of Cux(SO4)y z H20(s) is heated to form 0.80 g of the dehydrated Cux(SO4)v(s), determine the grams (and moles) of water lost: (1.07-08)9 - 0.279 water lost 0.27 = O. 015 moles water lost 2. If the dehydrated compound was found to contain 0.31 g Cu, determine the moles of Cu: molecular mass Cu=63-Sa/ mol 18. ダ の (63. Sglm = 0.0049 moles 3. Determine the grams of sulfate by difference (g Cux(SO4)y - g Cu), and then convert to moles sulfate (use MM of SO4) mass cusau)y = 0.8 mass Cu=0.319 moles of sulfate-0.492 *0.005 mol wCのね %3D b60=て18:0-8.0)-hos ssmu 4. Determine the mole ratios by dividing by the smallest moles: molecular maşs Aelmo| moles copper = X smallest moles moles sulfate 0.005 |=て」こ smallest moles moles water = Z smallest moles 0.015 とこ0E-とheo 5. Write the formula: 6. Name the hydrate:

Chemical Formula Prelab Questions Name: Ashlyn Neurton Section: O0 Prepare For It! Pre-Lab Questions 1. If 1.07 g of Cux(SO4)y z H20(s) is heated to form 0.80 g of the dehydrated Cux(SO4)v(s), determine the grams (and moles) of water lost: (1.07-08)9 - 0.279 water lost 0.27 = O. 015 moles water lost 2. If the dehydrated compound was found to contain 0.31 g Cu, determine the moles of Cu: molecular mass Cu=63-Sa/ mol 18. ダ の (63. Sglm = 0.0049 moles 3. Determine the grams of sulfate by difference (g Cux(SO4)y - g Cu), and then convert to moles sulfate (use MM of SO4) mass cusau)y = 0.8 mass Cu=0.319 moles of sulfate-0.492 *0.005 mol wCのね %3D b60=て18:0-8.0)-hos ssmu 4. Determine the mole ratios by dividing by the smallest moles: molecular maşs Aelmo| moles copper = X smallest moles moles sulfate 0.005 |=て」こ smallest moles moles water = Z smallest moles 0.015 とこ0E-とheo 5. Write the formula: 6. Name the hydrate:

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Using number 1's information what would be my amount of moles of water? 

 

Also, did I do number 4 and 5 correctly?

Chemical Formula Prelab Questions Name: Ashlyn Newton Section:_Oo Prepare For It! Pre-Lab Questions 1. If 1.07 g of CUx(SO4)y z H2O(s) is heated to form 0.80 g of the dehydrated Cux(SO4)y(s), determine the grams (and moles) of water lost: water lost | = U.015 moles water lost 2. If the dehydrated compound was found to contăain 0.31 g Cu, determine the moles of Cu: morecular mass Cu= 63-59/mol 18 318 = 0.0049 moles (63.5glm 3. Determine the grams of sulfate by difference (g Cux(SO4)y - g Cu), and then convert to moles sulfate (use MM of SO4) mass cusau)y=0-8 mass Cu=0.319 mass So4=(0.8-0-31=0.49g moles of sulfate - 0.499 a s galmo ここの molęcular mass 4. Determine the mole ratios by dividing by the smallest moles: moles copper 019 0.005 = X smallest moles moles sulfate |=てO」こ II smallest moles moles water = Z smallest moles こ 5. Write the formula: 6. Name the hydrate: Determination of a Chemical Formula Page 9 of 9
Transcribed Image Text:Chemical Formula Prelab Questions Name: Ashlyn Newton Section:_Oo Prepare For It! Pre-Lab Questions 1. If 1.07 g of CUx(SO4)y z H2O(s) is heated to form 0.80 g of the dehydrated Cux(SO4)y(s), determine the grams (and moles) of water lost: water lost | = U.015 moles water lost 2. If the dehydrated compound was found to contăain 0.31 g Cu, determine the moles of Cu: morecular mass Cu= 63-59/mol 18 318 = 0.0049 moles (63.5glm 3. Determine the grams of sulfate by difference (g Cux(SO4)y - g Cu), and then convert to moles sulfate (use MM of SO4) mass cusau)y=0-8 mass Cu=0.319 mass So4=(0.8-0-31=0.49g moles of sulfate - 0.499 a s galmo ここの molęcular mass 4. Determine the mole ratios by dividing by the smallest moles: moles copper 019 0.005 = X smallest moles moles sulfate |=てO」こ II smallest moles moles water = Z smallest moles こ 5. Write the formula: 6. Name the hydrate: Determination of a Chemical Formula Page 9 of 9
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