RECORD YOUR DATA HERE as well.
This is required ONLY in case of recalculation.
This extra table WILL NOT be handed in but is for your reference.
Trial 1
Trial 2
Mass of Salt Mixture (g)
0.8269 g
0.8067 g
Mass of Filter Paper (g)
0.80
0.81
Mass of Filter Paper and
Ba$_3$(PO$_4$)$_2$ (g)
1.04 g
1.10 g
Mass of Ba$_3$(PO$_4$)$_2$ (g)
6.24
0.30
IF Your accuracy mark is poor as a result of incorrect calculation, you can resubmit this whole page to
the dropbox provided to obtain accuracy marks only.
Moles of Ba$_3$(PO$_4$)$_2$
precipitated (mol)
9.71x10$^{-4}$
Moles of limiting reactant
in salt mixture (mol)
Mass of limiting reactant in
original salt mixture (g)
Mass of excess reactant in
original salt mixture (g)
Percent, by mass, of the
limiting reactant in salt
mixture (%)
Avergae Percent of limiting
reactant (%)
Percent, by mass, of the
excess reactant in salt
mixture (%)
Avergae Percent of excess
reactant (%)
