Ответ: CO2+2NaOH=Na2CO3+H2O
m(NaOH(раствора))=1.054*100=105.4
m(NaOH)=0.05*105.4=5.27
M(NaOH)=80
M(Na2CO3)=106
5.27:80=x:106
x=(5.27*106):80=6.98