Multiple Choice
A certain first-order reaction A B is 25% complete in 42 min at 25°C. What is its rate constant?
A) 6.8 10-3 min-1
B) 8.3 10-3 min-1
C) 3.3 10-2 min-1
D) -3.3 10-2 min-1
E) 11 min-1
Correct Answer:

Verified
Correct Answer:
Verified
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