What will be the molality of the solution containing $18.25 \ g$ of $HCl$ gas in $500 \ g$ of water (in $m$)?

Calculate the mole fraction of ethylene glycol $(C_{2}H_{6}O_{2})$ in a solution containing $20\%$ of $C_{2}H_{6}O_{2}$ by mass.

The density of a nitric acid solution is $1.5 \ g \ mL^{-1}$. Its weight percentage is $68 \%$. What is the approximate concentration (in $mol \ L^{-1}$) of nitric acid? $(N=14 \ u, O=16 \ u, H=1 \ u)$

What is meant by a binary solution?

The density of a $2.05 \ M$ solution of acetic acid $(CH_3COOH)$ in water is $1.02 \ g \ mL^{-1}$. The molality of the solution is ......... $mol \ kg^{-1}$.

The mole fractions of glucose $(C_6H_{12}O_6)$ and water $(H_2O)$ in an aqueous glucose solution are $0.0244$ and $0.9756$ respectively. What is the weight percentage $(w/w)$ of glucose in this solution?