36. Решение задачки по химии №12517813

5. In the voltammetric determination of formaldehyde in ethyl alcohol with a volume of 20.00 ml, a wave with a height of 6.5 mm was obtained. After adding 5.00 ml of a standard solution of formaldehyde with a concentration of 0.02 mol/L, the wave height increased to 18 mm. Calculate the molar concentration of formaldehyde in ethyl alcohol.

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