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Question
The reaction A B follows first-order kinetics with a half-life of 21.7 hours. If the concentration of A is 0.023 M after 48.0 hours, what is the initial concentration of A?A.0.0050 M
B.0.051 M
C.0.51 M
D.0.11 M
E.2.0 102 M
Answer
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