\(PTHH:CuO+CO\underrightarrow{t^o}Cu+CO_2\left(1\right)\)
\(PbO+CO\underrightarrow{t^o}Pb+CO_2\)(2)
Theo(1) \(n_{CuO}=n_{Cu}=\dfrac{1,6}{64}=0,025\left(mol\right)\)
\(m_{CuO}=0,025.80=2g\)
Theo(2) \(n_{PbO}=n_{Pb}=\dfrac{2,07}{207}=0,01mol\)
\(m_{PbO}=0,01.223=2,23g\)
b) Theo(1) và (2): \(\Sigma n_{CO}=n_{Cu}+n_{Pb}=0,025+0,01=0,035mol\)\(\Sigma_{V_{CO}}=0,035.22,4=0,784lit\)