Предмет: Химия, автор: у4еник2

при горении ацетилена выделилось 6,76 литров углекислого газа. определите сколько в литрах потребовалось кислорода (н.у.) . ответ запишите с точностью до десятых

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Автор ответа: MalinkaKalinka

2C₂H₂ + 5O₂ = 4CO₂ + 2H₂O
5V(O₂)=4V(CO₂), поэтому V(O₂)=4/5V(CO₂)=4/5*6,76=5,4 л
ОТВЕТ: 5,4 л

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