Question

Of the concentration units below, only ________ uses kg of solvent in its calculation

A) ppm
B) molarity
C) molality
D) mass percent

Answer 1

Only mass percent uses kg of solvent in its calculation.

Step-by-step explanation:

Of the concentration units listed, only mass percent uses kg of solvent in its calculation. Mass percent is the ratio of the mass of solute to the mass of the whole solution, expressed as a percentage. It is commonly used in chemistry and other fields to express concentration by weight.