August 2021 0 2 Report
1)Рассчитайте рН и рОН 0,01 молярного раствора NaOH. 2)Раствор, в 500 мл которого растворено 1,825г HCl имеют рН, рав-ный...
3)Раствор серной кислоты имеет рН=1, концентрация H2SO4 в растворе равна ...... моль/л.
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