What is the molality of a solution which contains $18 \ g$ of glucose $(C_6H_{12}O_6)$ in $250 \ g$ of water?

Find out the mole fraction of methanol in a $5.2 \ m$ aqueous solution of methanol.

Molality of an aqueous solution of urea is $4.44 \ m$. Mole fraction of urea in solution is $x \times 10^{-5}$. Value of $x$ is. . . . . . (integer answer)

$34.2 \ g$ of sugar is dissolved in $1.8 \times 10^{2} \ g$ of water to form sugar syrup. Calculate the mole fraction of sugar. (Molar mass of sugar $= 342 \ g/mol$,water $= 18 \ g/mol$)

What is the mole fraction of the solute in a $1 \, m$ (molal) aqueous solution?

$200 \, mL$ of $0.6 \, N$ $H_2SO_4$ and $100 \, mL$ of $0.3 \, N$ $HCl$ are mixed together. The acidic normality of the resultant solution is $........ N$.