Molarity, Molality — Prelims Questions

What is the molarity of a solution prepared by dissolving $19.6,\text{g}$ of H$_2$SO$_4$ (molar mass $98,\text{g/mol}$) in enough water to make $250,\text{mL}$ of solution?

A solution contains $18,\text{g}$ of glucose (C$_6$H$_{12}$O$_6$, molar mass $180,\text{g/mol}$) dissolved in $200,\text{g}$ of water. What is the molality of the solution?

Which of the following concentration terms is temperature-independent?

A $2,\text{M}$ solution of NaOH has a density of $1.08,\text{g/mL}$. The molar mass of NaOH is $40,\text{g/mol}$. What is the molality of the solution?

A $10$ (w/w) aqueous solution of glucose (C$_6$H$_{12}$O$_6$, molar mass $180,\text{g/mol}$) has a density of $1.04,\text{g/mL}$. What is the molarity of the solution?

Upon heating an aqueous solution, which of the following concentration terms will remain unchanged?