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A sample of iron ore weighing 0.2792 g was dissolved in an

Chemistry: Atoms First | 1st Edition | ISBN: 9780073511160 | Authors: Julia Burdge, Jason Overby ISBN: 9780073511160 60

Solution for problem 68AP Chapter 19

Chemistry: Atoms First | 1st Edition

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Chemistry: Atoms First | 1st Edition | ISBN: 9780073511160 | Authors: Julia Burdge, Jason Overby

Chemistry: Atoms First | 1st Edition

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Problem 68AP

A sample of iron ore weighing 0.2792 g was dissolved in an excess of a dilute acid solution. All the iron was first converted to Fe(II) ions. The solution then required 23.30 mL of 0.0194 M KMnO4 for oxidation to Fe(III) ions. Calculate the percent by mass of iron in the ore.

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Chapter 2: Atoms, Ions, and Molecules: The Building Blocks of Matter Key: Calculate: Calc Number: # negative: neg + moles: mol (s) proton: p isotopes: iso 0 Average: avg molecules: molec neutron: n ­ With: w/ electrons: e Chemical: chem positive: pos  Learning Objectives

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Chapter 19, Problem 68AP is Solved
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Textbook: Chemistry: Atoms First
Edition: 1
Author: Julia Burdge, Jason Overby
ISBN: 9780073511160

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A sample of iron ore weighing 0.2792 g was dissolved in an