"Barnacles are really tough," Hall-Spencer observed. In the areas where the water was most acidified, though, they were missing. We all dived in. Buia was carrying a knife. She pried some unlucky ...
A white precipitate forms if sulfate ions are present. Explain why, in a test for sulfate ions, the sample is acidified with hydrochloric acid first. Carbonate ions also produce a white ...
Explain why, in a test for sulfate ions, the sample is acidified with hydrochloric acid first. Carbonate ions also produce a white precipitate with barium chloride solution. The acid reacts with ...