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Molarity of `K^(+)` ions in `0.33 M` potassium sulphate aqueous solution isA. less than 0.33 MB. equal to 0.33 MC. more than 0.33 MD. `0.66 M`

Answer» Correct Answer - 4
A `0.33 M` aqueous solution of potassium sulphate `(K_(2)SO_(4))` contains `0.33 mol` of the salt in 1 litre of solution. The molarities of the potassium and sulphateions in the solution are `0.66 M` and `0.33 M` respectively because `K_(2)SO_(4)` is a strong electroly to i.e., `1 mol K_(2)SO_(4)` gives `2 mol of K^(+)` ions and 1 mol of `SO_(4)^(2-)` ions on dissociation.


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