Describe how the following reagents would be used to prepare barium sulphate:solid sodium sulphate, distilled water,barium carbonate and diluted nitric (5)acid.
1 answer
Add dil HNO3 to the BaCO3 and allow to react completely. This releases CO2 from the BaCO3 and gives Ba^2+ in solution. Add Na2SO4, either by itself or as a solution, to form BaSO4. Filter. BaSO4 is retained in the filter. It can be dried following filtration.