Calculate the concentrations of all ions present in the following solutions of strong electrolytes :

Question

2.0 times 10-3 M AL2(SO4)3

Answer 1

There are 2 mols Al^3+ in 1 mol Al2(SO4)3 so (Al^3+) is twice that of the salt.
There are 3 mols SO4^2- in 1 mol Al2(SO4)3 so (SO4)^2- is three times that of the salt.