So far, students have observed a gas produced when certain solids and liquids are mixed. Tell students that sometimes when two liquids are mixed, a solid forms. This solid is a new substance, and it’s ...

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 few drops of dilute sodium hydroxide solution react to form a white precipitate with aluminium ions, calcium ions and magnesium ions. However, if excess sodium hydroxide solution is added ...

A scaleable method for the liquid-phase separation of plasmid DNA from RNA. In the course of experiments on the potential of nucleic acid compaction for enhancement of chromatographic adsorption ...