12gr CH3COOH reageeris Na2CO3. Tekkis 0, 95l
CO2
2CH3COOH+Na2CO3=2CH3COONa+CO2+H20
Kas 0,95l teisendada moolideks
M(CH3COOH)=60g/mol
M(CO2)=44g/mol
n=m/M
n=12/60=0,2mol
Meil 2*0,2=0,4mol
m=n*M
m(CO2) m=0,4*40=17,6mol
Saagis p=17,6/0.0424*100
Tegin 0.95l moolideks 0,95/22,4=0,0424mol