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The mole fraction of the solute in one molal aqueous solution is

A.

0.027

B.

0.036

C.

0.018

D.

0.009

Answers (1)

\dpi{100} Mole\: Fraction= \frac{Moles\: o\! f\: solute}{Moles\: o\! f solute+Moles\: o\! f solvent}

 W =1000gm (H_{2}O); n=1 mole

N=\frac{W}{M}=\frac{1000}{18}=55.55

X_{solute}=\frac{n}{n+N} =\frac{1}{1+55.55} =0.018.

Posted by

Satyajeet Kumar

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