Answer to Question #186363 in General Chemistry for Juana

Question

What is K

sp

 for the following equilibrium if lithium phosphate has a molar solubility of 9.7×10

−4

 M

? 

Li

3

PO

4

(s)↽−

−⇀

3Li

+

(aq)+PO

3−

4

(aq)

• Your answer should have two significant figures.

Answer 1

Ksp = (3x)³ (4x)⁴ = 12x¹²

= 12 ( 9.7 x 10^-4)¹² = 3.33 x 10^-36