The density of 3M Na_2S_2O_3 is 1.25 g/cc. Calculate the mole fraction of Na_2S_2O_3 and molality of thiosulphate.

The density of 3M Na_2S_2O_3 is 1.25 g/cc. Calculate the mole fraction

1.	The density of 3M Na_2S_2O_3 is 1.25 g/cc. Calculate the mole fraction of Na_2S_2O_3 and molality of thiosulphate.
Answer» ANSWER :(a) 0.065 and (B) 7.73