Task: Instance Description Understanding (ontology: Sciences/Computer_Science)

Which of the following definitions best describes the instance 'mass volume percentage'?

A. A mass density unit which is equal to mass of an object in grams divided by the volume in deciliters.
B. A unit of molarity which is equal to one thousandth of a molar or 10^[-3] M.
C. A dimensionless concentration unit which denotes the mass of the substance in a mixture as a percentage of the volume of the entire mixture.
D. A unit of concentration which expresses a concentration of 1 mole of solute per liter of solution (mol/L).

Answer: A dimensionless concentration unit which denotes the mass of the substance in a mixture as a percentage of the volume of the entire mixture.