к 150г 55%-го раствора соли прилили 120г воды.Найти массовую долю соли - Znanija.Site

к 150г 55%-го раствора соли прилили 120г воды.Найти массовую долю соли
- Предмет:
  Химия
- Автор:
  huber
- 5 лет назад

Ответы 1

общая масса раствора - 120+150=270масса соли - 0.55*150=82.5массовая доля - (82,5/270)*100%≈30%
- Автор:
  fleming
- 5 лет назад
- 0
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