Empirical Molecular Formula Percent Composition

What is the empirical formula of the following molecular formula:  C₃H₆

• C₃H₆

• CH₂

• C₂H₄

• CH₃

What is the empirical formula if you have 88.80% copper and 11.20% oxygen?

• Cu₃O₈

• CuO₄

• Cu₂O

• Cu₄O₁₀

What is the empirical formula of a molecule containing 18.7% of Lithium, 16.3% of Carbon and 65.0% of oxygen?

• CO₂Li₃

• Li₂CO₃

• Li₃CO₂

• LiCO₅

What is the empirical formula for N₂S₃?

• NS

• N₃S₂

• N₂S₃

• N₁S_1.5

A formula with the lowest whole number ratio of elements in a compound is called

• Molecular Formula

• Chemical Formula

• Empirical Formula 

• Distance Formula

A compound is made up of 40.05% S and 59.95% O by mass. Find the empirical formula for these elements.

• SO

• SO₂

• SO₃

• SO₄

A compound consists of 72.2% magnesium (Mg) and 27.8% nitrogen (N) by mass. What is the empirical formula?

• Mg₄N₃

• MgN₂

• Mg₃N₂ 

• MgN

Tags

NGSS.HS-PS1-1

What is the empirical formula of a compound with 88.80% copper and 11.20% oxygen by mass?

• Cu₃O₈

• CuO₄

• Cu₂O

• Cu₄O₁₀

What is the empirical formula of a compound that is 36.84% nitrogen and 63.16% oxygen by mass?

• NO

• N₂O₃

• N₂O₄

• N₂O₅

What is the molecular formula of a compound with a molecular mass of 696 g/mole and an empirical formula of K₂SO₄?

• K₂SO₄ 

• K₈SO₁₆

• K₈S₄O₈ 

• K₈S₄O₁₆