VPB 112: General Veterinary Biochemistry (1+1)

Titration of HCl with standard 0.1 N Na2CO3 solution

TITRATION OF HCl WITH STANDARD 0.1 N Na₂CO₃

• Pipette out 5 ml of standard N/10 Na₂CO₃ solution into a conical flask.
• Add two drops of methyl orange indicator and mix well (a pale yellow color will develop).
• Fill the burette with HCl solution and note the initial reading.
• Then add the HCl solution drop by drop from burette to the conical flask until the color changes from orange to slight pink and note the final reading.
• Repeat the process until consecutive readings are obtained.