\(nCO_2=\dfrac{4,48}{22,4}=0,2\left(mol\right)\)
pthh:
\(CO_2+2NaOH\rightarrow Na_2CO_3+H_2O\)
1mol 2mol 1mol 1mol
0,2 0,4 0,2 0,2
\(CM_{NaOH}=\dfrac{0,4}{0,5}=0,8M\)
\(mNa_2CO_3=\) 0,2 . 106 = 21,2 gam
n CO2=\(\dfrac{4,48}{22,4}\)=0,2 mol
TH1
CO2+2NaOH->Na2CO3+H2O
0,2-----0,4--------------0,2 mol
CMNaOH=\(\dfrac{0,4}{0,5}\)=0,8 M
=>m muối=0,2.106=21,2g
TH2 :
NaOH+CO2->NaHCO3
0,2--------0,2---------0,2 mol
CmNaOH =\(\dfrac{0,2}{0,5}=0,4M\)
=>m NaHCO3=0,2.84=16,8g
n CO2=\(\dfrac{4,48}{22,4}\)=0,2 mol
TH1
CO2+2NaOH->Na2CO3+H2O
0,2-----0,4--------------0,2 mol
CMNaOH=\(\dfrac{0,4}{0,5}\)=0,8 M
=>m muối=0,2.106=21,2g
TH2 :
NaOH+CO2->NaHCO3
0,2--------0,2---------0,2 mol
CmNaOH =\(\dfrac{0,2}{0,5}=0,4M\)
=>m NaHCO3=0,2.84=16,8g