8 7.4 Activity and activity coefficient 3. Influential factors activity coefficient of LiBr in water 30 at 25oC and 1 atm 2.5 0.001 0.965 20 0.01 0.905 0.1 0.797 15 0.5 0.754 0.803 10 5 2.70 10 20.0 0.5 20 486 了 Levine p.299Activity coefficient of LiBr in water at 25 oC and 1 atm m  0.001 0.965 0.01 0.905 0.1 0.797 0.5 0.754 1 0.803 5 2.70 10 20.0 20 486 Cf. Levine p.299 3. Influential factors §7.4 Activity and activity coefficient