an aqueous solution
of sucrose has
been labled as one molal
mole Fraction of sucrose is
a) 1/55.5
b) 1/56.5
c) 1/57.5
d) 55.5/55.6
Answers
Answered by
2
answer:
1 molal aqueous solution means 1 mole of solute in 1 kg (or 1000 g) of water.
The molecular weight of water is 18 g/mol.
The number of moles of water =18g/mol1000g=55.56mol
The mole fraction of the solute =1mol+55.56mol1mol=0.018
Thus, option D is correct
Similar questions