Enter the mass of the component and the total mass of the sample into the calculator. The calculator will determine the mass percent of the substance.

## Mass Percent Formula

The following equation is used to calculator the mass percent of a compound in a substance.

M% = MC/MS * 100

- Where M% is the mass percent of the compound
- MC is the total mass of the compound
- MS is the total mass of the substance

How to calculate mass percent

**First, measure the mass of the compound**This should be only the mass of the compound or material your are trying to calculate the mass percent for. Use accurate calculations or scales.

**Next, measure the mass of the entire substance**This is the mass of the entire solution or substance including the compound being analyzed. The same measurement techniques should be used in this step as were in step 1.

**Calculate the mass percent**Calculate the mass percent using the measure values in steps 1 and 2 by entering them into the equation above.

## FAQ

**What is mass percent?**

Mass percent is defined as the total percentage of mass that one single compound makes up out of the total mass of a solution of substance that the compound is contained in.

**How do you measure the masses of compounds?**

This can be further explained in our average atomic mass calculator, but the simple answer is through using known masses for the basic elements and determining how much of each element is in the compound.

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