1.

Mole fraction of solute in a 2.0 molal aqueous solution is :

Answer»

1.77
1.87
0.347
0.0347

Solution :In 2.0 molal aqueous solution
No. of moles of SOLUTE = 2 MOL
No. of moles water `= ((1000G))/(("18 g mol"^(-1)))=55.55` mol
Mole FRACTION of solute `= (("2 mol"))/(("2 mol")+("55.55 mol"))=0.347`.


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