When using chemical formula it is possible to calculate the percentage composition of the chemical. This can be useful when extracting metals from ores or when making fertilisers for specific plants.

Students learn how to determine the percentage composition of a compound. Percent Composition and Empirical Formulas: Students learn how to determine the percentage composition of a compound and to ...

It is useful for scientists to be able to calculate exactly what proportion of any ore is actually the desirable metal. The example below will show you how to complete this. Tenorite (Cu 2 O) is an ...

CALCULATING percentage isn't always the easiest thing to do, but is a useful aide for anyone, especially if they can do so off the top of their head. Express.co.uk has compiled a handy guide on how to ...