121. Solving a chemistry problem

121. Solving a chemistry problem

1. Calculate the content of KOH and K2CO3 in a solution of technical caustic potash if it was titrated with a solution of hydrochloric acid with T(HCl/Na2CO3) = 0.005300 g/ml using two indicators. Burette readings during titration with phenolphthalein 21.36 ml (V1), burette readings with continued titration from the same burette with methyl orange 25.76 ml (V2).

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