Table A: Mass data for reaction of NaHCO3 - Na2CO3
mixture with HCl:
Mass of crucible
and cover
33.2868 (g)
Mass of crucible, cover, and
mixture
33.7864 (g)
Mass of crucible, cover, and residue after reaction with HCl
(1st weighing)
33.7070 (g)
Mass of crucible, cover, and residue after reaction with HCl
(2nd weighing)
33.7012 (g)
Mass of crucible, cover, and residue after reaction with HCl
(3rd weighing)
33.7020 (g)
Mass of unknown mixture used
0.4996 (g)
Using the data...