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Chemistry Question

Chemistry Question

Chemistry
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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Step 1 Introduction

To find the empirical formula of a compound, the following steps should be followed.

  1. Find the ratio of elements present in the compound- Let us consider x% of element A, y% of element B, and z% of element C in the compound. Then the ratio would be x:y:z.
  2. Divide the ratio of each element by their atomic mass- xAtomic Mass of a:yAtomic Mass of b:zAtomic Mass of c
  3. Find a whole number ratio by dividing each number by the least number -Let X, Y, Z be the whole number ratio  X:Y: Z
  4. The empirical formula of the compound will be AXBYCZ

To find a molecular formula from the empirical formula, the following equation is used.

Molecular formula = n x Empirical Formula

where n=Molecular MassEmpirical Formula Mass

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