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March 29, 2015

Homework Help: chemistry

Posted by danielle on Monday, February 1, 2010 at 1:22pm.

The bromination of acetone is acid-catalyzed.
CH3COCH3 + Br2 CH3COCH2Br + H+ + Br -
The rate of disappearance of bromine was measured for several different concentrations of acetone, bromine, and H+ ions at a certain temperature.
[CH3COCH3] [Br2] [H+] rate of disappearance of Br2 (M/s)
0.30 0.050 0.050 5.7 10-5
0.30 0.10 0.050 5.7 10-5
0.30 0.050 0.10 1.2 10-4
0.40 0.050 0.20 3.1 10-4
0.40 0.050 0.050 7.6 10-5

(a) What is the rate law for the reaction?
(b) Determine the rate constant. answer in MĚs

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