Ever wondered how much muscle you really have? Beyond what the scale says, knowing your muscle mass percentage can be a ...

The following formula is used to calculate percentage mass: Finally, divide the gram formula mass for iron by the total gram formula mass of iron (III) oxide and convert to a percentage.

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 ...