Question

8. An experiment was carried out to investigate the effect of concentration on the reaction: [4 marks]

Bros (aq) + 5Br (aq) + 6H(aq) 3Br2(1) + 3H₂O(l)

The following data was obtained:

Trial

1

2

3

4

Initial [BrO;]

(mol/L)

0.10

0.20

0.20

0.10

Initial [Br]

(mol/L)

0.10

0.10

0.20

0.10

Initial [H]

(mol/L)

0.10

0.10

0.10

0.20

Initial Rate

(mol/L)/s

8.0 x 104

1.6 x 10-³

3.2 x 10³

3.2 x 10-³

a) Calculate the order of each reactant, solve for k and then write the rate law for this reaction.

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