n(CO2)=4.4g/44g/mol=0.1molV(CO2)=0.1mol*22.4L/mol=2.24Ln(Na2CO3)=10.6g/106g/mol=0.1molN(离子)=0.1mol*3*6.02*10^23=1.806*10^23n(SO2)=1.204*10^24/6.02*10^23=2molV(SO2)=2mol*22.4L/mol=44.8L