m(CuO) = 40 g
m(Cu практ.) - ?n(CuO) = 40 g / 80 g / mol = 0.5 mol
CuO + H2 = Cu + H2O
за УХР: n(CuO) = n(Cu) = 0.5 mol ;
m(Cu теоретич.) = 0.5 mol * 64 g / mol = 32 g
m(Cu практ.) = 32 g * 0.8 = 25.6 g
Ответ: 25.6 g .
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m(CuO) = 40 g
m(Cu практ.) - ?
n(CuO) = 40 g / 80 g / mol = 0.5 mol
CuO + H2 = Cu + H2O
за УХР: n(CuO) = n(Cu) = 0.5 mol ;
m(Cu теоретич.) = 0.5 mol * 64 g / mol = 32 g
m(Cu практ.) = 32 g * 0.8 = 25.6 g
Ответ: 25.6 g .