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A 2.20-g sample of an unknown acid (empirical formula

Chemistry | 8th Edition | ISBN: 9780547125329 | Authors: Steven S. Zumdahl ISBN: 9780547125329 153

Solution for problem 109 Chapter 4

Chemistry | 8th Edition

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Chemistry | 8th Edition | ISBN: 9780547125329 | Authors: Steven S. Zumdahl

Chemistry | 8th Edition

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Problem 109

A 2.20-g sample of an unknown acid (empirical formula C3H4O3) is dissolved in 1.0 L of water. A titration required 25.0 mL of 0.500 M NaOH to react completely with all the acid present. Assuming the unknown acid has one acidic proton per molecule, what is the molecular formula of the unknown acid?

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Adeline Fecker October 11th, 2016 CH 221 Lecture Notes Week 3 Exam Next Week Ionic Compounds: ❖ Form crystal lattice structure ❖ Exchange of electrons ❖ Ions lose/gain electrons so they have same electrons as the nearest noble gas ❖ Written as cation followed by anion ❖ Electrically neutral ❖ Simplest whole number combination ❖ There are no discrete molecules in ionic compounds ➢ Simplest ratio called formula unit Ex. NaCl Naming binary ionic compounds: ❖ Metal +nonmetal(ide) ❖ Sodium Chlor​ide ❖ No numerical prefixes because they can be derived easily ❖ For ions with possibly more than 1 charge represent it with roman numeral

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Chapter 4, Problem 109 is Solved
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Textbook: Chemistry
Edition: 8
Author: Steven S. Zumdahl
ISBN: 9780547125329

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A 2.20-g sample of an unknown acid (empirical formula