Lab 11A: Titration of Hydrochloric Acid SCH 3U

Observations

Observations:

Titration of 20 mL of HCl_(aq) with 0.1 mol/L NaOH_(aq)

	Trial #1	Trial #2
Concentration of NaOH (mol/L)	0.1 mol/L	0.1 mol/L
Final reading of base buret (mL)	20.7	45.7
Initial reading of base buret (mL)	0	25.2
Volume of NaOH used (mL)	20.7	20.5
Final reading of acid buret (mL)	20	49.8
Initial reading of acid buret (mL)	0	29.8
Volume of HCl used (mL)	20	20
Unknown number or letter	A	A

Here is what happens when the reaction is completed.

Purpose