Initial concentration (mol-dm) Initial rate (mol-dm-3.s-1) Exp [r] [S2O8 2-1 1 0.080 0.040 12.5 x 106 2 0.040 0.040 6.25 x 106 0.080 0.020 6.25 x 106 4 0.032 0.040 5.00 x 106 5 0.060 0.030 7.00 x 10-6 3.

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