39. Решение задачи по химии №003 968

3. When titrating 25 ml of a mixture of hydrochloric and acetic acids with 0.1050 mol/l sodium hydroxide solution, the following readings were obtained on the scale of a high-frequency instrument:
Volume of NaOH,
ml Instrument readings Volume of NaOH,
ml Meter reading
2 62 11 26
4 51 13 31
5 37 15 37
6 32 16 37
7 28 17 44
8 21 18 56
9 23 19 68
Determine the concentration of these acids (in g/l).

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