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Which of the following observations give evidence that a crystal is a hydrate? One or more answers may be correct and you will receive negative points for incorrect answers. a. Since the crystals were filtered from an aqueous solution, they are wet and must therefore be a hydrate. b. On heating the crystals in a test tube over a bunsen burner, a clear liquid is noticed near the top edge of the test tube. c. Adding water to crystals which have been heated results in the color returning to that of the crystals before heating. d. Recalculating the percent yield of the hydrated crystals using the molecular weight of the hydrated form results in a percent yield well below 100%. e. The number of water molecules in the hydrated crystals is calculated from the mass lost on heating. This matches the expected number based on a google search. Heating the crystal results in a decrease in mass which matches the expected mass for waters of hydration.

Which of the following observations give evidence that a crystal is a hydrate? One or more answers may be correct and you will receive negative points for incorrect answers. a. Since the crystals were filtered from an aqueous solution, they are wet and must therefore be a hydrate. b. On heating the crystals in a test tube over a bunsen burner, a clear liquid is noticed near the top edge of the test tube. c. Adding water to crystals which have been heated results in the color returning to that of the crystals before heating. d. Recalculating the percent yield of the hydrated crystals using the molecular weight of the hydrated form results in a percent yield well below 100%. e. The number of water molecules in the hydrated crystals is calculated from the mass lost on heating. This matches the expected number based on a google search. Heating the crystal results in a decrease in mass which matches the expected mass for waters of hydration.

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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Which of the following observations give evidence that a crystal is a hydrate? One or more answers may be correct and you will receive negative points for incorrect answers. a. Since the crystals were filtered from an aqueous solution, they are wet and must therefore be a hydrate. b. On heating the crystals in a test tube over a bunsen burner, a clear liquid is noticed near the top edge of the test tube. c. Adding water to crystals which have been heated results in the color returning to that of the crystals before heating. d. Recalculating the percent yield of the hydrated crystals using the molecular weight of the hydrated form results in a percent yield well below 100%. e. The number of water molecules in the hydrated crystals is calculated from the mass lost on heating. This matches the expected number based on a google search. Of. Heating the crystal results in a decrease in mass which matches the expected mass for waters of hydration.
Transcribed Image Text:Which of the following observations give evidence that a crystal is a hydrate? One or more answers may be correct and you will receive negative points for incorrect answers. a. Since the crystals were filtered from an aqueous solution, they are wet and must therefore be a hydrate. b. On heating the crystals in a test tube over a bunsen burner, a clear liquid is noticed near the top edge of the test tube. c. Adding water to crystals which have been heated results in the color returning to that of the crystals before heating. d. Recalculating the percent yield of the hydrated crystals using the molecular weight of the hydrated form results in a percent yield well below 100%. e. The number of water molecules in the hydrated crystals is calculated from the mass lost on heating. This matches the expected number based on a google search. Of. Heating the crystal results in a decrease in mass which matches the expected mass for waters of hydration.
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