22) A student prepares aqueous sodium benzoate by adding 3.78 g of solid benzoic acid to 12 mL of 3 M aqueous NaOH solution. The student adds 6 M aqueous HCI to the solution until a precipitate is observed and the pH of the solution is acidic by pH paper. After cooling the mixture in ice for several minutes, the solid is recovered by vacuum filtration and allowed to dry. If 2.51 g of benzoic acid is obtained after drying, what is the percent recovery? a) 65.8 % b) 66.4 % c) 151 % d) 33.6 %
22) A student prepares aqueous sodium benzoate by adding 3.78 g of solid benzoic acid to 12 mL of 3 M aqueous NaOH solution. The student adds 6 M aqueous HCI to the solution until a precipitate is observed and the pH of the solution is acidic by pH paper. After cooling the mixture in ice for several minutes, the solid is recovered by vacuum filtration and allowed to dry. If 2.51 g of benzoic acid is obtained after drying, what is the percent recovery? a) 65.8 % b) 66.4 % c) 151 % d) 33.6 %
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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![22) A student prepares aqueous sodium benzoate by adding 3.78 g of solid benzoic acid to
12 mL of 3 M aqueous NaOH solution. The student adds 6 M aqueous HCI to the solution until
a precipitate is observed and the pH of the solution is acidic by pH paper. After cooling the
mixture in ice for several minutes, the solid is recovered by vacuum filtration and allowed to dry.
If 2.51 g of benzoic acid is obtained after drying, what is the percent recovery?
a) 65.8 %
b) 66.4 %
c) 151 %
d) 33.6 %](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F84066073-0236-4792-806f-3709c1dab065%2F15677e89-a0aa-47d0-9960-f12d25f7f706%2Fynjhsp8_processed.jpeg&w=3840&q=75)
Transcribed Image Text:22) A student prepares aqueous sodium benzoate by adding 3.78 g of solid benzoic acid to
12 mL of 3 M aqueous NaOH solution. The student adds 6 M aqueous HCI to the solution until
a precipitate is observed and the pH of the solution is acidic by pH paper. After cooling the
mixture in ice for several minutes, the solid is recovered by vacuum filtration and allowed to dry.
If 2.51 g of benzoic acid is obtained after drying, what is the percent recovery?
a) 65.8 %
b) 66.4 %
c) 151 %
d) 33.6 %
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