Дано количество вещества 0,75 моль(H2PO4) , найти молекул и массу? - №20497629

Дано количество вещества 0,75 моль(H2PO4) , найти молекул и массу?
- Предмет:
  Химия
- Автор:
  gilbertchristensen
- 6 лет назад

Ответы 1

ну число молекул по формуле : N=n*Na ( Na=6.02)m= n*Mосталось просто подставить всё в формулы
- Автор:
  bobcole
- 6 лет назад
- 0
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