Empirical Formula

A compound of carbon and hydrogen contains 85.7 %of carbon and 14.3 %

of hydrogen by mass. Deduce the empirical formula of this hydrocarbon. {H = l, C = 12)

• C₂H₂

• CH₂

• CH

• CH₄

A compound has the empirical formula CH₂Br. Its relative molecular mass is 188. Deduce the molecular formula of this compound. (Br == 80, C = 12. H = l)

• C₂H₄Br₂

• C₁H₂Br₂

• C₁H₂Br

• C₁H₂Br₂

the empirical formulae for hydrazine, N₂H₄

• N₁H₂

• NH

• NH₂

• N₂H₂

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

• Molecular Formula

• Chemical Formula

• Empirical Formula 

• Distance Formula

Which of the following is a correct example of an empirical formula?

Tags

DOK Level 1: Recall

Which of the following is not an empirical formula?

Tags

DOK Level 1: Recall

Tags

NGSS.HS-PS1-7

Which of the following is considered an empirical formula?

• CH₃COOH

• C₆H₁₂O₆

• H₂O

Tags

NGSS.MS-PS1-1