Determine Ksp if the equilibrium concentration of X is 0.02 M and Y is 0.05 M given that X2Y(s)2X^+(aq)+Y^(2-)(aq).

Question

Determine Ksp if the equilibrium concentration of X is 0.02 M and Y is 0.05 M given that X2Y(s)<-->2X^+(aq)+Y^(2-)(aq).

The 2 in X2Y is a subscript.

DrBob222 · Answer

.......X2Y(s)<-->2X^+(aq)+Y^(2-)(aq). Ksp = (X^2+)^2(Y^2-) X = 0.02 Y = 0.05 Ksp = (0.02)^2(0.05) = ?

Sara · Answer

the answer is supposed to be 7.5x10^-5 but I don't know how

DrBob222 · Answer

No, the answer is 2.0E-5. I've looked at the problem again and it appears not to have any "tricks of the trade" attached to it so I believe if you have a database version or an answer sheet that those are incorrect.