Answered: What is the Empirical Formula of…

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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Question

What is the Empirical Formula of C28H63O14?

Expert Solution

Step 1

Given the molecular formula of the compound=C₂₈H₆₃O₁₄.

Molecular formula-It is the true formula of the molecule and it expresses the actual number of atoms of various elements present in the molecule.

Empirical formula-It expressed the simplest whole-number ratio of atoms of various elements present in the molecule.

For example.

glucose has the molecular formula=C₆H₁₂O_6.

empirical formula =CH₂O.

The relation between Molecular formula and Empirical formula.

$M o l e c u l a r f o r m u l a = n \times E m p i r i c a l f o r m u l a W h e r e, n = a n y i n t e r g e r h a v i n g v a l u e 1, 2, 3, 4, . . . . . . . . n c a n b e o b t a i n e d f o r m t h e f o l l o w i n g r e l a t i o n n = \frac{m o l e c u l a r m a s s}{e m p i r i c a l f o r m u l a m a s s}$

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