Find the mass of the part you want the percent of
Find the total mass of the whole sample
Divide the part mass by the total mass
Multiply the result by 100
Write the answer as a percent
Formula: mass percent = (mass of component ÷ total mass) × 100%
Find the mass of the part you want the percent of
Find the total mass of the whole sample
Divide the part mass by the total mass
Multiply the result by 100
Write the answer as a percent
Formula: mass percent = (mass of component ÷ total mass) × 100%