The density of a `3 M Na_(2) S_(2) O_(3)` (sodium thiosulphate) solution is `1.25 g mL^(-1)`
Channel: Doubtnut
Date: 2020-07-12

The density of a `3 M Na_(2) S_(2) O_(3)` (sodium thiosulphate) solution is `1.25 g mL^(-1)`. Calculate:  a. % by weight of `Na_(2) S_(2) O_(3)`  b. Mole fraction of `Na_(2) S_(2) O_(3)`c. Molalities of `Na^(o+)` and `S_(2) O_(3)^(2-)` ions.