Answer to Question #302732 in Chemistry for ayham

Question #302732

1. Calculate the ionic strength of a 0.02 M solution of Al2(SO4)3

Expert's answer

[Al³⁺]=2×0.02 M

[SO₄²⁻]=3×0.02 M

Ionic strength of solution =1/2 x [0.02×2×3²+0.02×3×2²] =0.3

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