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svetka1574

Ответ:

Объяснение:

 2,24 л                             Х г

  O2      +     2H2     =     2H2O

n=1 моль                        n=2 моль

Vm=22,4 л/моль          М = 18 г/моль

V = 22,4 л                     m=36 г

2,24 л    О2   -   Х г    Н2О

22,4 л    О2   -  36 г   Н2О

m(H2O) = 2,24 * 36 / 22,4 = 3,6 г

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