Investigating thermodynamic properties of the ternary systems of MCl (MÂ =Â K, Rb, Cs) with aqueous mixed solvent: N,N-dimethylacetamide

► Thermodynamic properties of KCl/RbCl/CsCl + DMA + H2O systems studied ► Experimental data fitted to the Pitzer, modified Pitzer and extended Debye-Hückel equations ► Activity coefficients, osmotic coefficients, and standard free energy of transfer reported