# Chemistry

The units for a first order rate constant are:

M/s
1/M*s
1/s
1/M^2*s

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1. The units for rate of reaction are (M/s).

For a first order reaction,
rate=(rate constant)*(concentration)
Unit analysis:
(M/s)=(?)*(M)

=> Units of a first order rate constant are 1/s.

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posted by Kat

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