J is hydrochloric acid prepared by dissolving a volume, V of hydrogen chloride gas per dm3of the solution at s. t.p.
L is a solution containing 4.50g of NaHCO3 per 500cm3.
J was put into the burette and titrated against 25cm3 portions of L using methyl
orange as indicator. Titration was repeated to obtain consistent titre values.
a) Copy and complete the table below and calculate the average volume of J
Burette reading/cm3
1
2
3.
Final reading/cm 20.20 20.20 20.50
33:20
Initial
reading/cm3 0.00
o so
12.50
Volume of J used/cm3
20-20
20.00
20.70
used.
3