MRC - Percent Composition & Empirical Formulas (Lesson)

Percent Composition & Empirical Formulas

Introduction

In this lesson we will discuss the relative ratios of elements in chemical compounds. We will learn how to calculate percent composition and empirical formulas. To do this, you will utilize the knowledge of dimensional analysis, molar mass and the unit conversions from the previous lesson to better understand the makeup of various compounds.

Calculating Moles

The topics found within this segment include converting moles to liters as well as calculating percent composition, empirical formulas, and molecular formulas.

Download the note taking guide for Chemistry Matters Unit 6 Segment C. Links to an external site.

Download the key to the questions to consider for Chemistry Matters Unit 6 Segment C. Links to an external site.

 Percent Composition and Empirical Formulas

Let’s take a closer look at the Percent Composition and Empirical Formulas.

Download your Ionic Charges Chart as you may need to refer to it in order to write the formulas of some compounds. Links to an external site.

Percent Composition Practice

Empirical Formula Practice

Could you use additional practice with Percent Composition and Empirical Formulas Problems?

Download the More Practice with 1% Composition and Empirical Formulas. Links to an external site.

Download the More Practice with 1% Composition and Empirical Formulas Solutions. Links to an external site.

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