Answered: Determine the empirical formula for a…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Determine the empirical formula for a compound that contains 15.8% carbon and 84.2% sulfur.

Expert Solution

Step 1

Empirical formula :-

The simplest formula which represents only relative number of atoms of different elements present in a molecule of the compound .

To find empirical formula following procedure should be followed .

Divide the percentages of different elements with their atomic weights to get relative number of atoms also called atomic ratio.
Select smallest atomic ratio and divide all the atomic ratios with this number to get simple ratio of atoms.
Simple ratio corresponds to empirical formula of compound .

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