Ответ:
дано
m(CuSO) = 40 g
-------------------
m(CuO) - ?
n(CuO) - ?
CuO+H2SO4-->CuSO4+H2O
M(CuSO4) = 160 g/mol
n(CuSO4) = m/M = 40 / 160 = 0.25 mol
n(CuO) = n(CuSO4) = 0.25 mol
M(CuO) = 80 g/mol
m(CuO) = n*M = 0.25 *80 = 20 g
ответ 0.25 моль, 20 гр
Объяснение:
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Answers & Comments
Ответ:
дано
m(CuSO) = 40 g
-------------------
m(CuO) - ?
n(CuO) - ?
CuO+H2SO4-->CuSO4+H2O
M(CuSO4) = 160 g/mol
n(CuSO4) = m/M = 40 / 160 = 0.25 mol
n(CuO) = n(CuSO4) = 0.25 mol
M(CuO) = 80 g/mol
m(CuO) = n*M = 0.25 *80 = 20 g
ответ 0.25 моль, 20 гр
Объяснение: