1)2CuO+C=2Cu+CO2 Cu>C 4e- CuO+H2SO4=CuSO4+H2O 2)CuO过量生成Cu, 2CuO + C= 2Cu+ CO2 2CuO 40/3bg C bg 2Cu 32/3bg反应的CuO40/3g,总共(a-b)g,Cu and CuO剩余(a-b-40/3b+32/3b)g
