Most Soluble compound
CuS, Ksp = 1.27 x10^-36
PbS, Ksp = 9.04 x 10^-29
AgCl,Ksp = 1.77 X 10^-10
AgI, Ksp = 8.51 x 10^17
My book states that AgCl is insoluble in water and so are MOST phosphates and Sufides, So am I reasonable to say that AgI is the answer on this one?
Of course. Ksp very high means soluble
To determine the most soluble compound, we need to compare the solubility product constants (Ksp) of each compound. The higher the Ksp value, the more soluble the compound.
In this case, we have:
CuS, Ksp = 1.27 x 10^-36
PbS, Ksp = 9.04 x 10^-29
AgCl, Ksp = 1.77 x 10^-10
AgI, Ksp = 8.51 x 10^17
Based on the given Ksp values, we can see that AgI has the highest Ksp value, 8.51 x 10^17. This indicates that AgI has the highest solubility among the given compounds. Therefore, your reasoning is correct, and AgI is the most soluble compound in this case.