1. Английский язык
  2. •3. 90%-дық 30 г азот қышқылының

•3. 90%-дық 30 г азот қышқылының ерітіндісі мен 13,44 л (қ.ж.) ацетиленнен алынған бензол әрекеттескенде қанша нитробензол түзіледі?
Жауабы: 24,6 г.​

Horsik1Konnik Horsik1Konnik    1   10.09.2020 15:00    55

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