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Calculating an Empirical Formula Ascorbic acid (vitamin C)

Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro ISBN: 9780321809247 1

Solution for problem 1PE Chapter 3.13SE

Chemistry: A Molecular Approach | 3rd Edition

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Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro

Chemistry: A Molecular Approach | 3rd Edition

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Problem 1PE

Calculating an Empirical Formula Ascorbic acid (vitamin C) contains 40.92% C, 4.58% H, and 54.50% 0 by mass. What is the empirical formula of ascorbic acid? A 2.144-g sample of phosgene, a compound used as a chemical warfare agent during World War I, contains 0.260 g of carbon, 0.347 g of oxygen, and 1.537 g of chlorine. What is the empirical formula of this substance? (a) CO2CI6 (b) COCI2 (c) CO.022O0.022CI0.044 (d) C2OCI2

Step-by-Step Solution:

Solution 1PE Step 1 Empirical formula :Empirical formula" is a REAL IMPORTANT concept. Here's the definition: the formula of a compound expressed as the smallest possible whole-number ratio of subscripts of the elements in the formula For example, CH CO3 has two carbons, four hydrogens and two oxygens. So we could write the formula like this: C H O and so it reduces to CH O. 2 4 2 2 below describes the steps involved in calculating an empirical formula. the method for converting percentage composition to an empirical formula. Percent to mass. Mass to mole. Divide by small. Multiply 'til whole.

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Chapter 3.13SE, Problem 1PE is Solved
Step 3 of 7

Textbook: Chemistry: A Molecular Approach
Edition: 3
Author: Nivaldo J. Tro
ISBN: 9780321809247

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Calculating an Empirical Formula Ascorbic acid (vitamin C)