A Reaction Has K = 8

question 39

Multiple Choice

A reaction has k = 8.39 M^-1.s^-1 .How long does it take for the reactant concentration to drop from 0.0840 M to 0.0220 M?

• A) 5.42 s
• B) 2.00 s
• C) 1.42 s
• D) 8.39 s
• E) 4.00 s

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