в каком из природных соединений кальция сасо3 или сао массовая доля са больше - №32316788

в каком из природных соединений кальция сасо3 или сао массовая доля са больше
- Предмет:
  Химия
- Автор:
  catwomanndud
- 5 лет назад

Ответы 1

M(CaO) = 56 g/mol
M(CaCO3) = 100 g/mol
W(Ca)(CaO) = (40/56)*100 = 71.43%
W(Ca)(CaCO3) = (40/100)*100 = 40%
71.43 > 40
==> больше в CaO.
- Автор:
  fuller
- 5 лет назад
- 0
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