A substance, X, undergoes a first order reaction X → Y with a half life of 20 minutes. If the initia — Kinetics Chemistry Question
Question
A substance, X, undergoes a first order reaction X → Y with a half life of 20 minutes. If the initial concentration of X is 2.0 M, what will its concentration be after 40 minutes?
A.
0.25 M
B.✓ Correct
0.50 M
C.
1.0 M
D.
1.4 M
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