wo salts A and B are dissolved in water. At the temperature of the experiment, the solubility of A is 1 kg A/kg pure water and that of B is 0.4 kg /kg water. It will be assumed that the solubilities of the two salts are not affected by the presence of each other. If originally 20 kg of A and 20 kg B are dissolved in 100 kg water, and some of the water is evaporated from solution, calculate the: (1) amount evaporated (2) weight of mother liquor (3) composition of mother liquor (4) weight of each crystal formed for the following cases: a) 50% of the water is evaporated b) Enough water is evaporated to reduce the total weight of the solution to 50% of the original value c) Enough water is evaporated to leave the solution saturated with A, without crystallizing any A d) Enough water is evaporated so that the remaining solution is 50% of the original value.
wo salts A and B are dissolved in water. At the temperature of the experiment, the solubility of A is 1 kg A/kg pure water and that of B is 0.4 kg /kg water. It will be assumed that the solubilities of the two salts are not affected by the presence of each other. If originally 20 kg of A and 20 kg B are dissolved in 100 kg water, and some of the water is evaporated from solution, calculate the: (1) amount evaporated (2) weight of mother liquor (3) composition of mother liquor (4) weight of each crystal formed for the following cases: a) 50% of the water is evaporated b) Enough water is evaporated to reduce the total weight of the solution to 50% of the original value c) Enough water is evaporated to leave the solution saturated with A, without crystallizing any A d) Enough water is evaporated so that the remaining solution is 50% of the original value.
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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Two salts A and B are dissolved in water. At the temperature of the experiment, the solubility of A is 1 kg A/kg pure water and that of B is 0.4 kg /kg water. It will be assumed that the solubilities of the two salts are not affected by the presence of each other. If originally 20 kg of A and 20 kg B are dissolved in 100 kg water, and some of the water is evaporated from solution, calculate the: (1) amount evaporated (2) weight of mother liquor (3) composition of mother liquor (4) weight of each crystal formed for the following cases:
a) 50% of the water is evaporated
b) Enough water is evaporated to reduce the total weight of the solution to 50% of the original value
c) Enough water is evaporated to leave the solution saturated with A, without crystallizing any A
d) Enough water is evaporated so that the remaining solution is 50% of the original value.
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