For the following equilibrium, if
K
sp
=
1.0
×
10
−
22
, what is the molar solubility of silver arsenate?
Ag
3
AsO
4
(
s
)
−
⇀
↽
−
3
Ag
+
(
a
q
)
+
AsO
3
−
4
(
a
q
)