The mole fraction of water in an $18 \% \, w/w$ aqueous solution of $C_6H_{12}O_6$ is .......

Two solutions of a substance (non-electrolyte) are mixed in the following manner: $480 \ mL$ of $1.5 \ M$ first solution $+ 520 \ mL$ of $1.2 \ M$ second solution. What is the molarity of the final mixture $.......... \ M$.

If $15 \ g$ of $NaOH$ is dissolved in water to make $250 \ mL$ of solution,find the molarity of this solution in $M$.

The amount of ammonium sulphate required for the preparation of $1 \, M$ solution in $2 \, L$ is ............ $gm$.

Which of the following modes of expressing concentration is independent of temperature?

Explain the types of solutions based on the physical states of solute and solvent with suitable examples.