Final Reactant Concentrations and Reaction Rates   [I-] [BrO3-] [H+] Reaction Time Rate of Reaction 2.8 x 10-5/time Expt. # M M M sec. M/sec 1 1.67 x 10-3 6.67 x 10-3 1.67 x 10-2 301.90 s 1.84 x 10-6 2 3.33 x 10-3 6.67 x 10-3 1.67 x 10-2 213.28 5.20 x 10-6 3 1.67 x 10-3 1.33 x 10-2 1.67 x 10-2 214.92 2.59 x 10-6 4 1.67 x 10-3 6.67 x 10-3 3.33 x 10-2 86.45 6.44 x 10-6

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Final Reactant Concentrations and Reaction Rates

 

[I-]

[BrO3-]

[H+]

Reaction Time

Rate of Reaction 2.8 x 10-5/time

Expt. #

M

M

M

sec.

M/sec

1

1.67 x 10-3

6.67 x 10-3

1.67 x 10-2

301.90 s

1.84 x 10-6

2

3.33 x 10-3

6.67 x 10-3

1.67 x 10-2

213.28

5.20 x 10-6

3

1.67 x 10-3

1.33 x 10-2

1.67 x 10-2

214.92

2.59 x 10-6

4

1.67 x 10-3

6.67 x 10-3

3.33 x 10-2

86.45

6.44 x 10-6

 

Rate= k[I-]m[BrO3-]n[H+]p

rate order = m=2 n=1 p=2

question:

Calculate the rate constant for each experiment and then the average with units.

 

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