Question

molarity of 0.6N aluminium sulphate is?

Answer 1

Given : Normality of aluminium sulphate is 0.6 N

To find : The molarity of aluminium sulphate.

Solution : we know,

Normality = n - factor × Molarity

n - factor is the charge on Cation/anion. for aluminium sulphate Al₂(SO₄)₃, n - factor is charge on Cation.

charge on Al ion = 2(+3) = +6

so, n - factor = 6

now, 0.6 = 6 × Molarity

⇒Molarity = 0.6/6 = 0.1 M

Therefore molarity of aluminium sulphate in solution is 0.1 M

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