nCO = 5.6/22.4 = 0.25 (mol)
CuO + CO -to-> Cu + CO2
0.25___0.25_________0.25
mCuO = 0.25*80 = 20 (g)
VCO2 = 0.25*22.4 = 5.6 (l)
b)
nCO2 (pư) = 0.25*0.8 = 0.2 (mol)
Ca(OH)2 + CO2 => CaCO3 + H2O
__________0.2______0.2
mCaCO3 = 0.2*100=20 (g)
CuO+CO= (t0)CU+CO2
0,25<-0,25-> 0,25
nCO=5,6/22,4=0,25 mol
a/ x=mCuO=80. 0,25=20g
vCO2=0,25*22,45,6l
b/ CO2 +Ca(OH)2=CaCO3+H2O
0,25-> 0,25
mCaCO3=0,25. 100=25g
mCaCO3 pu=25 * 80/100=20g