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 formula mass of each reactant or product can be used to calculate the reacting masses. Calculate the mass of aluminium formed when 51 g of aluminium oxide are electrolysed. Firstly ...

Here’s a step-by-step guide to calculating BMI manually: First, measure your weight in kilograms and your height in meters. Use the BMI formula Divide your weight (kg) by the square of your ...