1.

In 2M H_(2)SO_(4)solution, what is % w/w and mole fraction of H_(2)SO_(4) respectively ?

Answer»

16.39, 0.035
19.60, 0.036
9.80, 0.96
8.20, 0.036

Solution :`2 m H_(2)SO_(4) ` % w/w and mole FRACTION.
There are 2 mole `H_(2)SO_(4)` in 1000 gm WATER.
2 mole `H_(2)SO_(4) = 2 xx 98 = 196 gm H_(2)SO_(4)`
% w/w `=(100xx196)/(1196)=16.387`
Mole of `H_(2)SO_(4) = 2`
Mole of water `=(1000)/(18) = 55.55`
Molefraction of `H_(2)SO_(4) = (2)/(57.55) = 0.03475`
`=0.035`


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