The molecular mass of sulphuric acid is 98 If 49 g of the acid is dissolved in water to make one lit...........

General Science (CDS) Chemistry

The molecular mass of sulphuric acid is 98. If 49 g of the acid is dissolved in water to make one litre of solution, what will be the strength of the acid?

Two normal

One normal

0.5 normal

Four normal

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Explanation:

Normality is a way of expressing concentration of a solution and can be calculated by the formulaNormality (N) = No. of gram equivalent of solute/ volume of solution (in litre) Gram equivalent weight of H2 SO4 = Molecular weight/ No. of Hydrogen atom = 98/2 = 49 gm No. of gram equivalent in 49 gm of H2 SO4 = 1 So, Normality in 1 litre of solution = 1/1 = 1 N