Percent Composition by Mass

Introduction to Percent Composition by Mass

Percent composition by mass is a measure of the relative mass abundance of elements in a compound. It is calculated by dividing the mass of the element by the total mass of the compound and multiplying by 100 to express the result as a percentage.

Parameter usage:

• elementMass= mass of the element in the compound
• totalMass= total mass of the compound

Output:

• percentComposition= percentage composition of the element in the compound

Data validation

The numbers should be greater than zero.

Summary

This calculator helps determine the percentage composition of an element in a compound based on its mass in relation to the total mass of the compound.