Q.
The density (in gmL−1) of a 3.6M sulphuric acid solution that is 29%H2SO4 (Molar mass =98gmol−1) by mass will be :
1751
204
Some Basic Concepts of Chemistry
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Solution:
Let the density of solution be ′d′
Molarity of solution given =3.6
i.e., 1 litre of solution contains 3.6 moles of H2SO4 or 1 litre
of solution contain 3.6×98g of H2SO4 Since, the solution
contains 29% by mass. 100g solution contains 29gH2SO4 d100mL solution contains 29g of H2SO4 1000mL solution contains 3.6×98g of H2SO4 ∴3.6×98=10029×d×1000 d=1.22