Free Printable Empirical Formulae

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Empirical Formulae

Total questions: 10

Worksheet time: 7mins

Name

Class

Date

What is the empirical formula of a substance with the molecular formula C₂H₄?

C₂H₂

C₁H₁

CH₂

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

Na₂Cl

NaCl₂

NaCl

Na₂Cl₂

What is the empirical formula of a substance with the molecular formula X₂₀Y₁₅?

X₁₀Y₁₅

X₅Y₃

X₄Y₃

X₂₀Y₁₅

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

Se₈F₁₂

Se₂F₃

Se₄F₃

SeF

What is the empirical formula of this substance?

C₂H₃

CH₃

C₂H₆

C₂H₂

What is the empirical formula for hydrogen peroxide (H₂O₂)?

H₂O

H₂O₂

HO₂

Which pair has the same empirical formula?

NaCrO₄ and Na₂Cr₂O₇

C₂H₄O₂ and C₆H₁₂O₆

C₃H₆O₃and C₂H₆O₂

CH₄ and C₂H₆

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

C₁₀H₈

C₅H₄

C₂₀H₁₆

CH₂

C₄H₃

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

Yes

10.

Which of these is NOT an empirical formula?

CH2

C2H5

C6H4

C3H7

C5H17

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Empirical Formulae

Total questions: 10

Worksheet time: 7mins

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