Question

1.1 The rate of a chemical reaction can be defined as ... A. The rate of change in concentration of reactants or products per unit time. B The change in concentration of reactants or products per unit time. C. The change in amount of reactants or products per unit time. D. The rate of change in amount of reactants or products per unit time. (2)​

Answer 1

1. The rate of a chemical reaction can be defined as:
A. The rate of change in concentration of reactants or products per unit time.

2. The correct answer is A. The change in concentration of reactants or products per unit time.