A saturated solution of silver chromate has a concentration of 7.4 × 10^-5 M.What is K_sp of this compound?

Name: A saturated solution of silver chromate has a concentration of 7.4 × 10 -5 M.What is K sp of this compound?
Brand: Quizplus
Rating: 4.9 (55 reviews)

Question

Quizplus · Accepted Answer

Silver chromate (Ag2CrO4) dissociates into 2 Ag+ and 1 CrO4^2-. The Ksp expression is [Ag+]^2[CrO4^2-]. If the concentration of CrO4^2- is 7.4 × 10^-5 M, then [Ag+] is 2(7.4 × 10^-5) M. Therefore, Ksp = (2(7.4 × 10^-5))^2(7.4 × 10^-5) = 4(7.4 × 10^-5)^3.

A Saturated Solution of Silver Chromate Has a Concentration of 7.4