CT : CnH2n+1COOH
nCO2 = 2.24/22.4 = 0.1 (mol)
2CnH2n+1COOH + Na2CO3 => 2CnH2n+1COONa + CO2 + H2O
0.2.....................................................................0.1
MX = 12/0.2 = 60 (g/mol)
=> 14n + 46 = 60
=> n = 1
Ct : CH3COOH ( axit axetic)