... liờn hp ca cht tan nc v dung mụi axit propionic : A= 1; B =1 B : nht ca dung mụi axit propionic 250C (cP), ni suy t bng I.101 - s tay QT&TBCNHC - T1 ta c axitpropionic = 1,21 + 1,04 - 1,21 (25 ... VA, VB : Th tớch mol ca nc v axit propionic (cm3/mol) Tra bng VIII.2 - T2, ta cú th tớch nguyờn t ca : C = 14,8; H = 3,7; O =12 (O axit) Cụng thc phõn t ca axit propionic l C3H6O2, ca nc l H2O ... dung dch trờn a (N/m) Cú: = A + B A; B : Sc cng b mt ca nc v axitpropionic Ni suy theo bng I.242 ca nc v ly axit axetic thay cho axit propionic (S tay QT&TBCNHC - T1) ta c: on luyn: txtbL = 99,1583...