Question

What is molarity?

A. A measurement of the concentration of a solution.
B. A measurement of the density of a solution.
C. A measurement of the volume of a solution.
D. A measurement of the molar mass of a substance.

Answer 1

A. A measurement of the concentration of a solution.

Step-by-step explanation:

The other user was correct. :)

Answer 2

Answer: Molarity is the concentration of a solution expressed as the number of moles of solute per litre of solution

Explanation: Molarity is the concentration of a solution expressed as the number of moles of solute per litre of solution