1) Pb(NO3)2 + 2NaOH = Pb(OH)2 + 2NaNO3
2) Pb(OH)2 (t)= PbO + H2O
3) 6PbO + O2 (500°)= 2Pb3O4
Pb3O4 + 4HNO3 = PbO2 + 2Pb(NO3)2 + 2H2O
4) PbO2 + 2H2SO4 = Pb(SO4)2 + 2H2O
V(CO2) = 5.6 л ==> n(CO2) = 5.6/22.4 = 0.25 моль ==> m(CO2) = n*M = 0.25 * 44 = 11 грамм
1) Pb(NO3)2 + 2NaOH = Pb(OH)2 + 2NaNO3
2) Pb(OH)2 (t)= PbO + H2O
3) 6PbO + O2 (500°)= 2Pb3O4
Pb3O4 + 4HNO3 = PbO2 + 2Pb(NO3)2 + 2H2O
4) PbO2 + 2H2SO4 = Pb(SO4)2 + 2H2O
V(CO2) = 5.6 л ==> n(CO2) = 5.6/22.4 = 0.25 моль ==> m(CO2) = n*M = 0.25 * 44 = 11 грамм