For a reaction R ⟶ P, the concentration of a reactant changes from 0.05 M to 0.04 M in 30 minutes. What will be the average rate of reaction in minutes?
A.4 × 10–4 M min–1
B.8 × 10–4 M min–1
C.3.3 × 10–4 M min–1✓ Correct
D.2.2 × 10–4 M min–1
Explanation
For reactants Average Rate R t ; R ->Change in concentration of t ->time elapsed 4 0.04 0.05 3.3 10 30mins x mol L-1 min-1