quantitative data on 0.005 molar solutions of oxalic diion over a wide range of concentrations of mgcl ( 2 ) and of nacl ( or kcl ) show that the following equation is obeyed : see pdf for equation where a is an empirical value dependent on the concentration of oxalate diion ( 0x ( = ) ) .
C0392762
quantitative
C1514721
range