Sample Pp Titration MO Titration Comparison of volume of acid in Pp

& MO Titration

Volume of acid that reacted with sample

1. Pure OH- Complete neutralization

Neutral Vol. Pp only Vol. Pp

2. Pure CO3-2 Partial neutralization Complete

neutralizationVol. Pp = vol. MO Vol. Pp + Vol. MO or

2 vol. PP or 2 vol. MO3. Pure HCO3

- Neutral Complete neutralization

Vol. MO only Vol. MO

4. Mixture of OH-

and CO3-2

Complete neutralization of OH-

and partial neutralization of CO3

-2

Complete neutralization of CO3

-2

Vol. Pp > Vol. MO OH- = vol. Pp – vol. MOCO3

-2 = 2 vol. MO

5. Mixture of HCO3-

and CO3-2

Partial neutralization of CO3

-2Complete neutralization of CO3

-2 and complete neutralization of HCO3

-

Vol. Pp < Vol. MO HCO3- = vol. MO –

vol. PpCO3

-2 = 2 vol. Pp

Double-Indicator (One-Sample Titration)

Sample Pp Titration MO Titration Comparison of volume of acid in Pp

& MO Titration

Volume of acid that reacted with sample

6. Pure OH- Complete neutralization

Complete neutralization

Vol. Pp = Vol. MO Vol. Pp or Vol. MO

7. Pure CO3-2 Partial neutralization Complete

neutralizationVol. MO = 2 Vol. Pp Vol. MO or 2 Vol. Pp

8. Pure HCO3- Neutral Complete

neutralizationVol. MO only Vol. MO

9. Mixture of OH-

and CO3-2

Complete neutralization of OH-

and partial neutralization of CO3

-2

Complete neutralization of OH-

and CO3-2

Vol. MO > Vol. Pp OH- = 2 vol. Pp – vol. MOCO3

-2 = 2 ( vol. MO – vol. Pp)

10. Mixture of HCO3-

and CO3-2

Partial neutralization of CO3

-2Complete neutralization of CO3

-2 and HCO3-

Vol. MO < 2 Vol. Pp HCO3- = vol. MO – 2

vol. PpCO3

-2 = 2 vol. PpDouble-Indicator (Two-Sample Titration)