Предмет: Химия, автор: plombirchik70

Определите объём израсходавшегося кислорода реакции горения 2,5 г бутадиена.

Ответы

Автор ответа: svetka1574
0

     2,5 г                Х л

   2С4H6     +      11O2    ->     8CO2     +     6H2O

n=2 моль               n=11 моль

М =54 г/моль       Vm=22,4 л/моль

m=108 г                  V =246,4 л

2,5 г  С4Н6   -   Х л  О2

108 г С4Н6   -  246,4 л О2

V(O2) = 2,5 * 246,4 / 108 =5,7 л

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