The solubility of benzoic acid in water is 0.21g per 100mL of water at 10 degrees celsius, 0.27g per 100mL at 18 degrees celsius, and 6.80g per 100mL at 95 degrees celsius. A. At least how much water would be needed to dissolve a 2.00g sample of benzoic acid at 95 degrees celsius? B. If you carried out a recrystallization by dissolving your 2.00g sample in water at 95 degrees celsius, then cooling it to 18 degrees celsius, what would be the maximum yield of benzoic acid? How would the yield be affected if the recrystallization mixture was cooled to 10 degrees celsius instead?
The solubility of benzoic acid in water is 0.21g per 100mL of water at 10 degrees celsius, 0.27g per 100mL at 18 degrees celsius, and 6.80g per 100mL at 95 degrees celsius. A. At least how much water would be needed to dissolve a 2.00g sample of benzoic acid at 95 degrees celsius? B. If you carried out a recrystallization by dissolving your 2.00g sample in water at 95 degrees celsius, then cooling it to 18 degrees celsius, what would be the maximum yield of benzoic acid? How would the yield be affected if the recrystallization mixture was cooled to 10 degrees celsius instead?
Chapter7: Solutions And Colloids
Section: Chapter Questions
Problem 7.87E
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The solubility of benzoic acid in water is 0.21g per 100mL of water at 10 degrees celsius, 0.27g per 100mL at 18 degrees celsius, and 6.80g per 100mL at 95 degrees celsius.
A. At least how much water would be needed to dissolve a 2.00g sample of benzoic acid at 95 degrees celsius?
B. If you carried out a recrystallization by dissolving your 2.00g sample in water at 95 degrees celsius, then cooling it to 18 degrees celsius, what would be the maximum yield of benzoic acid? How would the yield be affected if the recrystallization mixture was cooled to 10 degrees celsius instead?
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