July 2021 0 3 Report
К 1 л 10%-ного раствора KOH ( p=1,092 г/см^3) прибавили 0,5 л 5%-ного р-ра KOH ( p-1,045 г/см^3).Объем смеси довели до 2л. Вычислите молярную концентрацию полученного р-ра. 
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