0721. Solving a chemistry problem

0721. Solving a chemistry problem

1. The reaction between substances A and B is expressed by the equation A 2B → C. The initial concentrations of the substances are equal and amount to 0.05 mol/l. The rate constant is 0.06 l2•mol–2•s–1. Calculate the initial rate of the reaction and the rate of reaction after some time, when the concentration of substance B decreases by 0.02 mol/l.

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