66. Solving a chemistry problem

66. Solving a chemistry problem

8. When titrating 25.0 ml of a mixture of hydrochloric and acetic acids with 0.105 N sodium hydroxide solution, the following readings were obtained on the scale of a high-frequency instrument:
Volume 0.105N NaOH cm3 2 4 5 6 7 8 9 11 13 15 16 17 18 19
Instrument readings 62 51 37 32 28 21 23 26 31 37 37 44 56 68
Determine the concentration of these acids (in g/l).

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