Testing For Sulfates

Question 1

Give the symbol equation

Answer 1

Ba2+ (aq) + SO4 2- (aq) = BaSO4 (s)

Question 2

Explain the test

Answer 2

Add dilute hydrochloric acid, followed by a barium chloride solution. If a white precipitate of barium sulfate forms, it means the original compound was a sulfate.