A commonly used to preservative has the following percent composition: 68.85% C, 4.95% H, and 26.21% O. What is its empirical formula? If the molecular molar mass is 122.1 g/mole, what is the molecular for
A commonly used to preservative has the following percent composition: 68.85% C, 4.95% H, and 26.21% O. What is its empirical formula? If the molecular molar mass is 122.1 g/mole, what is the molecular for
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter3: Composition Of Substances And Solutions
Section: Chapter Questions
Problem 43E: A major textile dye manufacturer developed a new yellow dye. The dye has a percent composition of...
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A commonly used to preservative has the following percent composition: 68.85% C, 4.95% H, and 26.21% O. What is its empirical formula? If the molecular molar mass is 122.1 g/mole, what is the molecular formula?
Expert Solution
Step 1 Empirical formula
- It is the formula which expresses the smallest whole number ratio of the constituent atom within the molecule
- Empirical formula of different compounds may be same, so it may or may not represents the actual formula of the molecule.
eg: for glucose(C6H12O6) , acetic acd (CH3COOH) and formaldehyde (HCHO) molecules are with same empirical formula
CH2O
Given data
percent composition: 68.85% C, 4.95% H, and 26.21% O.
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