A substance decomposes in a first-order reaction with a rate constant of 6.70 × 10–4 s–1. If the ini — Kinetics Chemistry Question
Question
A substance decomposes in a first-order reaction with a rate constant of 6.70 × 10–4 s–1. If the initial concentration of the substance is 1.50 M, what is its concentration after 500. s?
A.✓ Correct
1.07 M
B.
0.503 M
C.
0.335 M
D.
0.128 M
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