mass of empty beaker-----------132.862 g
mass of beaker with unknown sample--------133.343g
ass of crucible------------41.962g
mass of crucible with BaSO4---------------42.631g
A) calculate the number of moles of BaSO4 that werecollected
B) calulate the number of moles of SO4^2- ion that were in theunknown
C) calulate the mass of the sulfate ion in the unknown
D) calculate the mass percentage of the sulfate ion in theunknown sample.
