gbailey8433 gbailey8433 27-01-2021 Chemistry contestada 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