Na2CO3+2HCl=2NaCl+CO2+H2O
nCO2)=3,36:22,4=0,15 моль
n(Na2CO3)=0,15 моль
m(Na2CO3)=0,15*106=15,9г
w(Na2CO3)=m вещества: mраствора
w(Na2CO3)=15,9:150=0,106*100%=10.6%
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Na2CO3+2HCl=2NaCl+CO2+H2O
nCO2)=3,36:22,4=0,15 моль
n(Na2CO3)=0,15 моль
m(Na2CO3)=0,15*106=15,9г
w(Na2CO3)=m вещества: mраствора
w(Na2CO3)=15,9:150=0,106*100%=10.6%