WAEC Chemistry 2020 Objective — Question 47

Question 47 of 50 from the West African Examinations Council (WAEC) Chemistry 2020 Objective paper, with the correct answer and a full explanation.

Which of the following quantities is a molar quantity? A. Molarity B. Molar mass C. mass concentration D. molality

A. Molarity
B. Molar massCorrect
C. mass concentration
D. molality

Explanation

Molar quantity refers to the quotient of an extensive quantity and the amount of substance (mole). Examples of molar quantities are molar volumes, molar enthalpy and molar mass.

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