Q.

The molality of a sulphuric acid solution is 0.2. Calculate the total weight of the solution having 100 gm of solvent.

 

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a

1019.6 g

b

980.4 g

c

1000 g

d

1098.6 g

answer is D.

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Detailed Solution

mass of solute = molar mass × moles of solute =98×0.2=19.6gm.
Mass of solvent is 1000 g.
Therefore,
mass of solution is =1000+19.6=1019.6gm..

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