Gravimetric Analysis of a Carbonate Mixture
A 5.00 g mixture of Na₂CO₃ and K₂CO₃ is dissolved in water. An excess of BaCl₂(aq) is added, resulting in the precipitation of 4.93 g of BaCO₃. What is the mass of Na₂CO₃ in the original mixture?
A
4.50 g
B
1.35 g
C
2.12 g
D
-5.08 g (not physically possible)
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