Calculate the solubility of Mn(OH)2 in grams per liter when buffered at each of the following.

(a) pH 7.7

(b) pH 9.6

(c) pH 11.3

1 answer

Ksp = (Mn^2+)(OH^-)^2
Convert pH 7.7 to OH^-, then substitute into Ksp expression and solve for Mn^2+