Empirical

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 X₂₀Y₁₅?

• X₁₀Y₁₅

• X₅Y₃

• X₄Y₃

• X₂₀Y₁₅

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 C₂H₄?

• C₂H₂

• C₂H₂

• C₁H₁

• CH₂

An empirical formula:

• is a formula that calculates the coefficients of a compound in a balanced equation.

• is the simplest whole-number ratio of moles of elements in the compound.

C₂H₄ What is the empirical formula?

• CH

• CH₂

• C₄H₂

• C₂H₄

Tags

NGSS.MS-PS1-1

Find the empirical formula for a compound which contains 32.8% chromium and 67.2% chlorine.

• CrCl

• CrCl₃

• Cr₃Cl

• Cr₂Cl₆

A compound containing 92.3 percent carbon and 7.7 percent hydrogen. What is the empirical formula?

• CH

• CH₂

• C₂H

• C₂H₂

Which of the following best describes an empirical formula?

• A formula that shows the exact number of atoms of each element in a molecule.

• A formula that shows the simplest whole-number ratio of atoms in a compound.

• A formula that shows the arrangement of atoms in a molecule.

• A formula that shows the total number of atoms in a compound.