Empirical Formula

What is the empirical formula for N₂S₃?

• NS

• N₃S₂

• N₂S₃

• N₁S_1.5

Tags

NGSS.MS-PS1-1

Choose the correct empirical formula...

• CF

• C₂F₆

• C₆F₂

• CF₃

What is the molecular formula if the empirical formula is CH₂O and the molecular molar mass is 180.18?

• CH₂O

• C₂H₄O₂

• C₄H₈O₄

• C₆H₁₂O₆

Which of the following could be a molecular formula with the empirical formula of CH₂O?

• CH₂O₂

• CHO

• C₃H₅O₃

• C₂H₄O₂

What is the empirical formula of K₂SO₄?

• K₂SO₄

• KSO₂

• K₂SO₂

• KSO₈

Which pair has the same empirical formula?

• NaCrO₄ and Na₂Cr₂O₇

• C₂H₄O₂ and C₆H₁₂O₆

• C₃H₆O₃ and C₂H₆O₂

• CH₄ and C₂H₆

Tags

NGSS.MS-PS1-1

Napthalene has the chemical formula C₁₀H₈. What would be the empirical formula?

• C₁₀H₈

• C₅H₄

• C₂₀H₁₆

• CH₂

• C₄H₃

Tags

NGSS.MS-PS1-1

Glucose has the formula C₆H₁₂O₆. Maltose has the chemical formula C₁₂H₂₂O₁₁. Do they have the same empirical formula?

• Yes

• No

What is the empirical formula of this substance?

• C₂H₃

• CH₃

• C₂H₆

• C₂H₂

What is the empirical formula of a substance with the molecular formula Se₈F₁₂?

• Se₈F₁₂

• Se₂F₃

• Se₄F₃

• SeF