Molarity, Molality — MCQ Practice

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?