(A) A student tries to dissolve 50g of KNO3 in 50 g of water at 20oC. What mass of precipitate will form? (B) 25 mL of a saturated solution of K2Cr2O7 was cooled from 90oC to 50oC, how many moles solid will precipitate from solution?
(A) A student tries to dissolve 50g of KNO3 in 50 g of water at 20oC. What mass of precipitate will form? (B) 25 mL of a saturated solution of K2Cr2O7 was cooled from 90oC to 50oC, how many moles solid will precipitate from solution?
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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(A) A student tries to dissolve 50g of KNO3 in 50 g of water at 20oC. What mass of precipitate will form?
(B) 25 mL of a saturated solution of K2Cr2O7 was cooled from 90oC to 50oC, how many moles solid will precipitate from solution?
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