Mass to Percent Composition

Calculate the percent composition of oxygen in a compound if the mass of oxygen is 16g and the total mass of the compound is 80g.

• 15%

• 20%

• 30%

• 25%

Find the percent composition of carbon in a compound with a mass of 12g of carbon and a total mass of 60g.

• 30%

• 15%

• 25%

• 20%

Tags

NGSS.HS-PS1-7

If a compound has 24g of hydrogen in a total mass of 108g, what is the percent composition of hydrogen?

• 22.22%

• 18.52%

• 30.56%

• 25.93%

Tags

NGSS.HS-PS1-7

Determine the percent composition of nitrogen in a compound with 28g of nitrogen in a total mass of 140g.

• 20%

• 10%

• 25%

• 15%

Tags

NGSS.HS-PS1-7

What is the percent composition of sulfur in a compound with 32g of sulfur in a total mass of 160g?

• 25%

• 20%

• 30%

• 15%

Calculate the percent composition of chlorine in a compound with 35.5g of chlorine in a total mass of 71g.

• 50%

• 40%

• 25%

• 60%

Find the percent composition of phosphorus in a compound with 31g of phosphorus in a total mass of 124g.

• 15%

• 40%

• 50%

• 25%

If a compound has 40g of potassium in a total mass of 100g, what is the percent composition of potassium?

• 50%

• 20%

• 40%

• 60%

Determine the percent composition of magnesium in a compound with 20g of magnesium in a total mass of 40g.

• 50%

• 60%

• 40%

• 25%

What is the percent composition of calcium in a compound with 40g of calcium in a total mass of 200g.

• 25%

• 30%

• 20%

• 15%