6) AgCN; 5.97 x 10¯17

7) Zn3(AsO4)2; 3.12 x 10¯28

8) Hg2I2; 5.33 x 10¯29

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.