Ответ:
2Mg+O2=2MgO
n(Mg)=m/M=1,2гр/24=0.05м
m(MgO)= n×M=0.05×40=2 гр
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Ответ:
2Mg+O2=2MgO
n(Mg)=m/M=1,2гр/24=0.05м
m(MgO)= n×M=0.05×40=2 гр