7.5 Molecular Formula

Multiple Choice

Which of the following is considered an empirical formula?

• S₂O₄

• C₆H₁₂O₆
• H₂O
• C₂H₄

Multiple Choice

What is the empirical formula for N₂S₃?

• NS

• N₃S₂

• N₂S₃

• N₁S_1.5

Multiple Choice

What is the molecular formula for a compound with the empirical formula: K₂SO₄ and a molecular mass of 696g.

• K₂SO₄ 
• K₈SO₁₆
• K₈S₄O₈ 
• K₈S₄O₁₆