work out how many atoms of each element are in the chemical formula add together the A r values for all the atoms of each element ...
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.
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 ...