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Ответ

Ответ дан
svetka1574

Объяснение:

Дано

V(O2)=5,6 л

Vm=22,4 л/моль

Na=6*10(23) 1/моль

Найти

N(O2)

n(O2)=V/Vm=5,6/22,4=0,25 моль

N(O2)=Na*n=6*10(23)*0,25=1,5*10(23)

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