An aqueous solution of glucose is $10 \%$ in strength. The volume in which $1 \, g-mole$ of it is dissolved will be ............. $L$.

Calculate $(a)$ molality,$(b)$ molarity,and $(c)$ mole fraction of $KI$ if the density of $20 \%$ (mass/mass) aqueous $KI$ solution is $1.202 \, g \, mL^{-1}$.

Calculate the mass percentage of aspirin $(C_{9}H_{8}O_{4})$ in acetonitrile $(CH_{3}CN)$ when $6.5 \ g$ of $C_{9}H_{8}O_{4}$ is dissolved in $450 \ g$ of $CH_{3}CN$.

Which of the following statements is correct regarding the mole fraction of components in a solution?

$A$ $2.0 \, M$ solution is obtained when $0.5 \, mole$ of solute is dissolved in:

The concentration of $Ca^{2+}$ ions in a water sample is $0.0002 \ M$. What is the concentration of $Ca^{2+}$ in $ppm$ by weight-volume?