CH4+2O2→CO2+2H2O
nCH4=11,2/22,4=0,5mol
VO2=1*22,4=22,4l
mNaOH=70*35/100=24,5g
nNaOH=24,5/40=0,6125mol
nNaOH/nCO2=0,6125/0,5=1,225
⇒tạo thành 2 muối
2NaOH+CO2→Na2CO3+H2O
0,6125 0,30625 0,30625
Na2CO3+CO2+H2O→2NaHCO3
0,19375 0,19375 0,3875
nNa2CO3còn=0,30625-0,19375=0,1125mol
mNa2CO3=0,1125*106=11,925g
mNaHCO3=0,3875*84=32,55g
KL muối tạo thành: 11,925+32,55=44,475g