Problem: The units of the rate constant for a third-order reaction are:a. 1/M3•sb. 1/M•sc. M2•sd. 1/M2•se. M-3•s

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We’re being asked to determine the unit for the rate constant (k) of a third-order reaction


In this case, we can solve for the units of k using M as concentration and t as seconds. We can establish the equation as:


rate = k[A]3 


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Problem Details

The units of the rate constant for a third-order reaction are:

a. 1/M3•s

b. 1/M•s

c. M2•s

d. 1/M2•s

e. M-3•s

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What scientific concept do you need to know in order to solve this problem?

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