MODULE 4 Laboratory Exercise 5 Balance the following equations: NO + O 2 ? NO 2 KClO 3 ? KCl + O 2 NH 4 Cl + Ca(OH) 2 ? CaCl 2 + NH 3 + H 2 O NaNO 3 + H 2 SO 4 ? Na 2 SO 4 + HNO 3 PbS + H 2 O 2 ? PbSO 4 + H 2 O Al 2 (SO 4 ) 3 + BaCl 2 ? AlCl 3 + BaSO 4 SO 2 + O 2 ? SO 3 P + O 2 ? P 2 O 3 Fe 2 O 3 + CO ? Fe + CO 2 Al + HCl ? AlCl 3 + H 2 Solution 1. 2NO + O2 ? 2NO2 2. 2KClO3 ?2KCl + 3O2 3. 2NH4Cl + Ca(OH)2 ? CaCl2 + 2NH3 + 2H2O 4. 2NaNO3 + H2SO4 ? Na2SO4 + 2HNO3 5. PbS + 4H2O2 ? PbSO4 + 4H2O 6. Al2(SO4)3 +3BaCl2 ? 2AlCl3 + 3BaSO4 7. 2SO2 + O2 ? 2SO3 8. 4P + 3O2 ? 2P2O3 9. Fe2O3 + 3CO ? 2Fe + 3CO2 10. 2Al + 6HCl ? 2AlCl3 +3H2 if satisfied please rate it thanks. any query please comment .