Equilibrium and Dynamic Osmotic Behaviour of Aqueous Solutions with Varied Concentration at Constant and Variable Volume

Table 1

Comparison of the osmotic pressure values at variable (open) and constant (closed) volume with the theoretical estimates.

Solute concentration c [mol/L]	𝑃osm [bar](1)	𝑃osm [bar] (constant)	𝑃osm [bar] (variable)	𝑃osm [bar] (variable; corrected)
0.050	1.21	1.10	1.06	1.11
0.100	2.42	2.29	2.20	2.30
0.106	2.57	2.57	2.36	2.66
0.150	3.64	3.51	3.46	3.81
0.200	4.84	4.77	4.35	4.58
0.300	7.27	6.26	6.14	6.45