Mass balance

The mass balance equation calculates the unknown concentration the dissociated particle (the anion). The equation is based of the matter conservation theorem, where the amount of what was put in to the solution must remain in the solution.

The equation for mass balance is:

    DIS = IMC /(UDA*DP)

where 

• DIS = Unknown concentration of the dissociated particle.
• UDA = Undissociated product in units of (mol/L)
• DP = Dissociated product in units of (mol/L)
• IMC = Initial Molar Concentration of what was initial put in to the solution in units of (mol/L)

Notice: the above equation solves for one molar concentration of the unknown dissociated products.

Related Topics

• Charge Balance
• Balance de Carga (in Spanish)

References

Harris, 9th Edition.  Pp.170