Question

Chem question

Answer 1

The smaller the value for the Ksp the less soluble the salt is.

Answer 2

So you want it in increasing order so smallest to greatest

Answer 3

It's not A or D

Answer 4

You need to find the smallest number and work upwards

Answer 5

put into the simplest terms quite nicely^

Answer 6

Reevaluate the exponents of the Ksp values again.

Answer 7

PbS has the smallest number and has the least solubility this is at 10^-28
Now we want the next one so 10^-9
What's the next smallest

Answer 8

Yes B would be correct