he rate of reaction between mercuric chloride and potassium oxalate can be followed by measuring the quantity of Hg­2Cl2 (s) formed as a function of time. In an experiment, the initial rate of this reaction was determined from mixing several solutions with different concentrations of HgCl2 and C2O42-. The following rate data were obtained for the rate of disappearance of C2O42- :   Experiment HgCl2 (M) C­­­­2O42- (M) Rate (M/s) 1 0.164 0.15 3.2 × 10-5 2 0.164 0.45 2.9 × 10-4 3 0.082 0.45 1.4 × 10-4   a.) What is the reaction rate when the initial concentration of HgCl2 is 0.100 M and that of C2O42- is 0.25 M?

Principles of Modern Chemistry
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ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
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Chapter18: Chemical Kinetics
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The rate of reaction between mercuric chloride and potassium oxalate can be followed by measuring the quantity of Hg­2Cl2 (s) formed as a function of time. In an experiment, the initial rate of this reaction was determined from mixing several solutions with different concentrations of HgCl2 and C2O42-. The following rate data were obtained for the rate of disappearance of C2O42- :

 

Experiment

HgCl2 (M)

C­­­­2O42- (M)

Rate (M/s)

1

0.164

0.15

3.2 × 10-5

2

0.164

0.45

2.9 × 10-4

3

0.082

0.45

1.4 × 10-4

 

a.) What is the reaction rate when the initial concentration of HgCl2 is 0.100 M and that of C2O42- is 0.25 M?

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