Q 1156378274.     `8.0575 × 10^-2` kg of Glauber's salt is dissolved in water to obtain `1` `dm^3` of solution of density

`1077.2` kg `m^-3`. Calculate the molality, molarity and mole fraction of `Na_2SO_4` in solution

respectively.

JEE 1994
A

`0.22` m, `0.27` M, `3.5 × 10^-3`

B

`0.24` m, `0.27` M, `4.3 × 10^-3`

C

`0.22` m, `0.25` M, `3.5 × 10^-3`

D

`0.24` m, `0.25` M, `4.3 × 10^-3`

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