Jawabanmu

2014-05-11T10:13:54+07:00
Ba3(PO4)2 <-> 3Ba^2+ + 2PO4^3-
s 3s 2s
Ksp=[Ba^2+]^3 [PO4^3-]^2
= (3s)^3 (2s)^2
= 27s^3 . 4s^2
= 108s^5
5 2 5
2014-05-11T10:31:47+07:00
 Ba_{3} (PO _{4}) _{2} <-> 3 Ba^{2+} + 2 Po_{4}^{3-} &#10; &#10;

                     s                            3s              2s

 K_{sp} = (Ba ^{2+}) ^{3} + (PO _{4}^{3-}) ^{2} &#10;
=(3s) ^{3} + (2s)^2
= 27s ^{3} .  4s^{2}
K _{sp} = 108  s^{5}
1 5 1