Tell students that sometimes when two liquids are mixed, a solid forms. This solid is a new substance, and it’s called a precipitate. Explain that when substances are mixed and a new substance is ...

Prodigious siblings can be annoying. All too often, they steal the spotlight and cast behind them an infuriating shadow of ...

If you time how long it takes until you can no longer see the X due to the formation of the precipitate, you can calculate the rate using the equation. rate = 1 ÷ (time taken for X to be obscured ...

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 ...