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A device used to test alcohol in the bloodstream uses the reaction 2 K2Cr2O7(aq) + 8...

A device used to test alcohol in the bloodstream uses the reaction

2 K2Cr2O7(aq) + 8 H2SO4(aq) + 3 CH3CH2OH(aq) → 2 Cr2(SO4)3(aq) + 2 K2SO4(aq) + 3 CH3COOH(aq) + 11 H2O

If the rate of disappearance of K2Cr2O7 is 1.24 M/min, the rate of reaction is ____ M/min.

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