Answer to Question #175037 in General Chemistry for Kelli

Question

Determine the solubility of the following ionic compounds when added to water by inserting (aq) or (s) in the formula. Explain how you arrived at your answer. (a) Sr(OH)2 (b) Au(NO3)3 (c) CuCl

Answer 1

Sr(OH)2 (s) Group 11 hydroxides are considered insoluble in water . Solubility is very low.

Au(NO3)3 (aq) = ALL nitrates are soluble in water.

CuCl(s) - Ksp for CuCl = 1.72 x 10-7 which means it is insoluble