86. Solving a chemistry problem

86. Solving a chemistry problem

65. The reaction between substances A and B is expressed by the equation: A 2B → C. Initial concentrations are: [А]0 =0.03 mol/l. [V]0=0.05 mol/l. The reaction rate constant is 0.4. Find the initial reaction rate and the reaction rate after some time, when the concentration of substance A decreases by 0.01 mol/l.

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