CC U2 Empirical Formula

Presentation

•

Chemistry

•

12th Grade

•

Easy

Jolene Kayser

Used 4+ times

FREE Resource

4 Slides • 11 Questions

LL 2.6 Determining Empirical Formulas

Video 1: Review of Formula & structures
1. Practice Questions
Video 2: % Comp to Empirical Formula
1. Practice Questions
Video 3: Empirical Formula to Molecular Formula
1. Practice Questions

Empirical Formulas

Multiple Choice

If black ball represents carbon (C) atom and white balls represent hydrogen (H) atoms. What is the molecular formula of the diagram shown?

CH₄

C₄H

C₄H₄

Multiple Choice

Do the diagrams have the same empirical formula?

Yes

Multiple Choice

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

Molecular Formula

Chemical Formula

Empirical Formula

Distance Formula

Multiple Choice

Which of the following is considered an empirical formula?

CH₃COOH

C₆H₁₂O₆

H₂O

Multiple Choice

What is the empirical formula for N₂S₃?

N₃S₂

N₂S₃

N₁S_1.5

Reorder

Reorder the following steps to find the empirical formula

Percent to Mass

Mass to Mole

Divide By Small

Multiply til whole

Multiple Choice

To get a whole number I would multiply #.33 by ...

Multiple Choice

Which one is the empirical formula?

C₄H₆

CH₃

C₂H₃

C₄H₆

Multiple Choice

Both of these molecules are _____

Sweet smelling

Fishy smelling

Isomers

Ionic compounds

Metallic

Multiple Choice

A chemical formula that shows the actual # and kinds of atoms present in one molecule of a compound is called_________

ionic formula

covalent formula

empirical formula

molecular formula

Multiple Choice

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

CH₂O

C₂H₄O₂

C₄H₈O₄

C₆H₁₂O₆

LL 2.6 Determining Empirical Formulas

Video 1: Review of Formula & structures
1. Practice Questions
Video 2: % Comp to Empirical Formula
1. Practice Questions
Video 3: Empirical Formula to Molecular Formula
1. Practice Questions

Empirical Formulas

Show answer

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