Aqueous iron(III) sulfate is added to aqueous sodium carbonate.
What are the formulas of the precipitate and the gas formed?
Fe2(CO3)3\text{Fe}_2(\text{CO}_3)_3Fe2(CO3)3 and SO2\text{SO}_2SO2
Fe2(CO3)3\text{Fe}_2(\text{CO}_3)_3Fe2(CO3)3 and CO2\text{CO}_2CO2
Fe(H2O)3(OH)3\text{Fe}(\text{H}_2\text{O})_3(\text{OH})_3Fe(H2O)3(OH)3 and SO2\text{SO}_2SO2
Fe(H2O)3(OH)3\text{Fe}(\text{H}_2\text{O})_3(\text{OH})_3Fe(H2O)3(OH)3 and CO2\text{CO}_2CO2