a, PT: \(CuO+H_2\underrightarrow{t^o}Cu+H_2O\)
Ta có: \(n_{CuO}=\dfrac{12}{80}=0,15\left(mol\right)\)
Theo PT: \(n_{H_2}=n_{Cu}=n_{H_2O}=n_{CuO}=0,15\left(mol\right)\)
b, \(m_{Cu}=0,15.64=9,6\left(g\right)\)
\(m_{H_2O}=0,15.18=2,7\left(g\right)\)
c, \(V_{H_2}=0,15.24,79=3,7185\left(l\right)\)