Ответ:
2H2+O2=2H2O
n(H2O)= 24/18=1,33 mol
x mol------1,33 mol
1 mol------2 mol
x mol=0,67 mol=n(O2)
m(O2)=21,33 g
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Ответ:
2H2+O2=2H2O
n(H2O)= 24/18=1,33 mol
x mol------1,33 mol
1 mol------2 mol
x mol=0,67 mol=n(O2)
m(O2)=21,33 g