Ответ:
m(FeO) = 144g
——————
M(Fe)-?
3FeO+2Al—>Al2O3+3Fe
M(FeO) = 72 g/mol
n(FeO) = m/M = 144 / 72 = 2 mol
3N(FeO) = 3n(Fe) = 2 mol
M(Fe) = 56 g/mol
m(Fe) = n*M =2*56 = 112 g
Объяснение:
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Ответ:
m(FeO) = 144g
——————
M(Fe)-?
3FeO+2Al—>Al2O3+3Fe
M(FeO) = 72 g/mol
n(FeO) = m/M = 144 / 72 = 2 mol
3N(FeO) = 3n(Fe) = 2 mol
M(Fe) = 56 g/mol
m(Fe) = n*M =2*56 = 112 g
Объяснение: