7) PbBr2; 9.04 x 10¯29

8) ZnS; 2.93 x 10¯25

9) Cd3(PO4)2; 2.53 x 10¯33

The values given are the Ksp values from a reference source. Due to rounding, the Ksp value you calculate will be slightly different, but it should be close.