Unit 3 · Stoichiometry
Question Bank
Cambridge IGCSE Chemistry 0620 · 30 questions
Q20Stoichiometry
In a reaction, the total mass of reactants equals
(a)half the mass of products
(b)the mass of one product
(c)the total mass of products
(d)zero
Correct answer: (c) the total mass of products
Explanation: Conservation of mass.
Related lesson
3.2 Relative masses of atoms and moleculesStoichiometry Tags