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При сгорании 25,2 г. органического вещества образовалось 40,32 л. CO2 и 32,4 г. H2O. Плотность паров этого вещества по O2 составляет 2,63. Найти молекулярную формулу.
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Предмет:
Химия -
Автор:
julinahvtk - 6 лет назад
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Ответы 4
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32*2?
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Автор:
royceh26z - 6 лет назад
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0
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2,63
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Автор:
emilianobecker - 6 лет назад
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0
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D(O2)=2,63 ,M(в-ва)=32Dкислорода(в-ва); 32 т.е. молярная масса О2×2,63
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Автор:
petie - 6 лет назад
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0
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Спасибо большое!
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Автор:
sunshineuvtv - 6 лет назад
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0
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по этому тексту:
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