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Substances, II. Fractional Crystallization To the solution in Problem 1(d) at 100°C, an additional 12.0 g of water are added, and the solution is cooled to 0°C. a. How much KNO, remains in solution? g KNO, b. How much KNO, crystallizes out? g KNO, c. How much CUSO, · 5 H,O crystallizes out? g CuSO, 5H,O d. What percent of the KNO, in the sample is recovered?

Substances, II. Fractional Crystallization To the solution in Problem 1(d) at 100°C, an additional 12.0 g of water are added, and the solution is cooled to 0°C. a. How much KNO, remains in solution? g KNO, b. How much KNO, crystallizes out? g KNO, c. How much CUSO, · 5 H,O crystallizes out? g CuSO, 5H,O d. What percent of the KNO, in the sample is recovered?

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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fractional crystallization
1. Using Figure 3.1, determine a. the number of grams of CuSO, 5H,0 that will dissolve in 100 g of H,O at 100°C. 180 g CuSO, 5 H2O b. the number of grams of water required to dissolve 4.0 g of CUSO, 5 H,0 at 100°C. (Hint: your answer to Problem 1(a) gives you the needed conversion factor for g CUSO, · 5H,0 to g H,0.) 1soglusay Sh0 100x L 780 = 2.22g 2.22 gH,0 1000 H2O Ig Cusay. SA20 c. the number of grams of water required to dissolve 18 g KNQ, at 100°C. 2 40 KN03 18X100 45 8H,0 240 d. the number of grams of water required to dissolve a mixture containing 18 g KNO, and 4.0 g CuSO, 5 H,O, assuming that the solubility of one substance is not affected by the presence of another. 7:5g 18gkn03 4alusau silic) → 2-22 g 9.72 g H,0 7.5g klu3 + 2- 22 g (uscu.S Hy O (continued on following page) 9.72g H20
Transcribed Image Text:1. Using Figure 3.1, determine a. the number of grams of CuSO, 5H,0 that will dissolve in 100 g of H,O at 100°C. 180 g CuSO, 5 H2O b. the number of grams of water required to dissolve 4.0 g of CUSO, 5 H,0 at 100°C. (Hint: your answer to Problem 1(a) gives you the needed conversion factor for g CUSO, · 5H,0 to g H,0.) 1soglusay Sh0 100x L 780 = 2.22g 2.22 gH,0 1000 H2O Ig Cusay. SA20 c. the number of grams of water required to dissolve 18 g KNQ, at 100°C. 2 40 KN03 18X100 45 8H,0 240 d. the number of grams of water required to dissolve a mixture containing 18 g KNO, and 4.0 g CuSO, 5 H,O, assuming that the solubility of one substance is not affected by the presence of another. 7:5g 18gkn03 4alusau silic) → 2-22 g 9.72 g H,0 7.5g klu3 + 2- 22 g (uscu.S Hy O (continued on following page) 9.72g H20
tter into Pure Substances, II. Fractional Crystallization 2. To the solution in Problem 1(d) at 100°C. an additional 12.0 g of water are added, and the soldden cooled to 0°C. a. How much KNO, remains in solution? g KNO, b. How much KNO, crystallizes out? g KNO, c. How much CUSO, 5 H2O crystallizes out? g CuSO, 5H,O d. What percent of the KNO, in the sample is recovered?
Transcribed Image Text:tter into Pure Substances, II. Fractional Crystallization 2. To the solution in Problem 1(d) at 100°C. an additional 12.0 g of water are added, and the soldden cooled to 0°C. a. How much KNO, remains in solution? g KNO, b. How much KNO, crystallizes out? g KNO, c. How much CUSO, 5 H2O crystallizes out? g CuSO, 5H,O d. What percent of the KNO, in the sample is recovered?
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