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The density of 2.5 M acetic acid in wat...

The density of `2.5 M` acetic acid in water is `1.02g ml^(-1)`. Calculate the molality of the solution.

Text Solution

Verified by Experts

Mass of 1L solution=(1.02 `xx` 1000)=1020 g
Moles of acetic acid in solution `=60 xx 2.5= 150 g, ` Mass of water `- 1020 - 150=870 g`
2.5 Molality `= (2.5)/(0.870) = 2. 87 m`
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