38. Solving a chemistry problem

38. Solving a chemistry problem

4. Calculate the mass of hydrochloric and boric acids in 50 ml of the solution, if a volume of 0.1 M NaOH (K = 0.965) was used to titrate a 10 ml aliquot at the first equivalence point - 4.5 ml, and at the second (after adding glycerol) - 10.4 ml

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