78. The rate constant of the reaction HCOH H2O2 \u003d HCOOH H2O at 60 C is 0.7544 l / mol • h. How many g of formic acid is formed 1 hour after the start of the reaction, if you mix 0.5 l of formaldehyde solution and hydrogen peroxide solution: СHCOH \u003d CH2O2 \u003d 1 mol / l.

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