Which of the following methods of expressing concentration does not change with temperature?

If the density of a $1 \, m$ aqueous solution of $NaCl$ is $1.21 \, g/mL$,then the molarity of the solution is .......... (in $, M$)

The molarity of a solution of $Na_2CO_3$ having $10.6 \ g$ in $500 \ mL$ of solution is ......... $M$.

Which of the following concentration factors changes with temperature?

$50 \ mL$ of an aqueous solution of glucose contains $6.02 \times 10^{22}$ molecules. The concentration of the solution is? ........... $M$

The volume of a solution changes with a change in temperature. How will the molality of the solution be affected by temperature? Give a reason for your answer.