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15.3 Exercise 21

Avg difficulty 2.5

What is the effect on the amount of CaHPO4 that dissolves and the concentrations of Ca2+ and HPO42−\text{HPO}_{4} ^{\text{2}−} when each of the following are added to a mixture of solid CaHPO4 and water at equilibrium?

(a) CaCl2

(b) HCl

(c) KClO4

(d) NaOH

(e) CaHPO4

OpenStax Chemistry 2e, 15.3 Coupled Equilibria, exercise 21

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Adapted from General Chemistry © 2019 Rice University. Licensed under CC BY 4.0. Sources: Chemistry 2e, Chemistry: Atoms First 2e. Imported at revision 32c7196.