nCuO=m:M=40:80=0,5mol
H2+CuO--->H2O+Cu
0,5mol--->0,5mol---->0,5mol--->0,5mol
mCu=n.M=0,5.64=32g
VH2=n.22,4=0,5.22,4=11,2lit
Nha..
nCuO=40/80=0,5(mol)
CuO+H2---t*-->Cu+H2O
0,5___0,5______0,5
mCu=0,5.64=32(g)
VH2=0,5.22,4=11,2(l)
\(n_{CuO}=\dfrac{m}{M}=\dfrac{40}{80}=0,5\left(mol\right)\)
pt: \(CuO+H_2\underrightarrow{t^0}H_2O+Cu\)
0,5mol.......0,5mol......0,5mol
\(m_{Cu}=0,5.64=32\left(g\right)\)
\(V_{H_2}=0,5.22,4=11,2\left(l\right)\)