March 2021 0 18 Report
228,4 мл 10%-ного по массе раствора NaOH с плотностью р(ро)=1,11 г/см3(кубических) полностью поглотили 4,48литров (н.у.) сероводорода. Определите массовую долю (%) соли в полученном растворе.
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