Answer to Question #122422 in General Chemistry for Carlton

Question

Describe how you can prepare a dry sample of barium sulphate using barium nitrate and sodium sulphate.

Answer 1

Barium nitrate and sodium sulphate react together to form one soluble salt, sodium nitrate, and an insoluble salt, barium sulphate. The chemical reaction may be written

Ba(NO3)2 + Na2SO4 ---> 2 NaNO3 + BaSO4

BaSO4 precipitated out and it can be collected and dry it by evaporating the water