Table 2.

Molarity and osmolarity of ionic and non-ionic osmolytes

	3.6% NaCl	0.9 % NaCl	0.9% NaCl + mannitol	3.6% NaGluconate	3.6% KCl
Molecular weight	58.44 g/mol	58.44 g/mol	Mannitol: 182.172 g/mol	590 g/mol	74.55 g/mol
Tonicity (%)	3.6%	0.9%	16% mannitol	3.6%	3.6%
Molarity	620 mM	150 mM	620 mM	61 mM	480 mM
Osmolarity	1 230 mOsmol/l	310 mOsmol/l	1 230 mOsmol/l	120 mOsmol/l	970 mOsmol/l

Molecular weight, tonicity, molarity and osmolarity for NaCl (0.9% and 3.6%), mannitol, NaGluconate and KCl are presented.