Mass data for reaction of NaHCO3-Na2CO3 mixture with HCL:
Mass of crucible and cover (g) 28.8258
Mass of crucible, cover and mixture (g) 29.4948
Mass of crucible, cover and residue after reaction with HCL (g)
1st weighing... 29.4454
2nd weighing... 29.4455
Required:
Calculation of percent composition of NaHCO3 and Na2CO33 in an unknown mixture