Directions: Use the balanced chemical equation to solve the following problems. 4Fe + 302 + 2FE203 1. How many moles of Fe,0, are produced when 7.27 grams of Fe is reacted? 1 metFe 2 mol Fe203 0.07 or 0.0650 7.27 Fe mol Fe203 55.85 g-Fe 4 mei-Fe 2. How many moles of Fe,0, are produced when 19.0 grams of 0, is reacted? 1 met-02 2 Fe203 19:0 0.40 or 0.395 mol Fe203 32 g02 3 melo2 3. How many moles of Oz are needed to react with 25.9 grams of Fe? 1 mel Fe 3 mol 02 = 0.35 mol 02 25.9 Fe 55.85 g Fe 4 mel Fe
Directions: Use the balanced chemical equation to solve the following problems. 4Fe + 302 + 2FE203 1. How many moles of Fe,0, are produced when 7.27 grams of Fe is reacted? 1 metFe 2 mol Fe203 0.07 or 0.0650 7.27 Fe mol Fe203 55.85 g-Fe 4 mei-Fe 2. How many moles of Fe,0, are produced when 19.0 grams of 0, is reacted? 1 met-02 2 Fe203 19:0 0.40 or 0.395 mol Fe203 32 g02 3 melo2 3. How many moles of Oz are needed to react with 25.9 grams of Fe? 1 mel Fe 3 mol 02 = 0.35 mol 02 25.9 Fe 55.85 g Fe 4 mel Fe
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter17: Electrochemistry
Section: Chapter Questions
Problem 113AE: Gold is produced electrochemically from an aqueous solution of Au(CN)2 containing an excess of CN....
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