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8. How many grams of CaCl, will be dissolved in 50g of water at 70°C2 9. What amount of water is needed to dissolve 450g of Pb(NO,), at 40°C? 10. How many grams of water must be added to 35g of KNO, to produce a saturated solution at 30°C?

8. How many grams of CaCl, will be dissolved in 50g of water at 70°C2 9. What amount of water is needed to dissolve 450g of Pb(NO,), at 40°C? 10. How many grams of water must be added to 35g of KNO, to produce a saturated solution at 30°C?

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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Using the solubility curve in the 2nd picture, answer the following questions.
100 90 NaNO, 80 70 60 cacl 50 40 KCI NaC KĆIO, 30 10 Ce,(SO,), 10 30 40 50 60 70 Temperature (°C) 90 100 80 ON 20 20 Solubility (g of salt in 100 g H,O)
Transcribed Image Text:100 90 NaNO, 80 70 60 cacl 50 40 KCI NaC KĆIO, 30 10 Ce,(SO,), 10 30 40 50 60 70 Temperature (°C) 90 100 80 ON 20 20 Solubility (g of salt in 100 g H,O)
8. How many grams of CaCl, will be dissolved in 50g of water at 70°C2 9. What amount of water is needed to dissolve 450g of Pb(NO,), at 40°C? 10. How many grams of water must be added to 35g of KNO, to produce a saturated solution at 30°C?
Transcribed Image Text:8. How many grams of CaCl, will be dissolved in 50g of water at 70°C2 9. What amount of water is needed to dissolve 450g of Pb(NO,), at 40°C? 10. How many grams of water must be added to 35g of KNO, to produce a saturated solution at 30°C?
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