When aqueous sodium sulfate and barium chloride solutions are combined. $\text{Na}_2\text{SO}_4(\text{aq}) + \text{BaCl}_2(\text{aq}) \rightarrow \text{BaSO}_4(\text{s}) + 2\text{NaCl}(\text{aq})$ What process is used to collect a sample of barium sulfate from the reaction mixture?
- Aprecipitation
- Bfiltration
- Cevaporation
- Ddistillation