The molar mass is also used to calculate the percent composition of an element. These two terms are explained here. Read the complete article for more information. Molar mass is the mass of one ...

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.

It is easy to measure and calculate ... qualify as obese by percent fat. Individuals with a BMI greater than 30 are almost invariably obese, based on other standards, but significant numbers of ...