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 precipitate ...
The process of rearranging molecules in two or more substances to create a new one may be monotonous to some – but for others, it is a stunning display of science. A new video has shared an up-close ...
Unlike the other tests described on this page, the test for carbonate ions works whatever acid is added. Explain why, in a test for sulfate ions, the sample is acidified with hydrochloric acid first.
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