Asked by Eddy
Describe how the following reagents would be used to prepare barium sulphate:solid sodium sulphate, distilled water,barium carbonate and diluted nitric (5)acid.
Answers
Answered by
DrBob222
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.
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