Unit 3 · Stoichiometry
Question Bank
Cambridge IGCSE Chemistry 0620 · 30 questions
Q17Stoichiometry
Relative formula mass is used for
(a)elements only
(b)ionic compounds
(c)gases only
(d)metals only
Correct answer: (b) ionic compounds
Explanation: It is the sum of the relative atomic masses in the formula.
Related lesson
3.2 Relative masses of atoms and moleculesStoichiometry Tags