4. a) 8 NaCN + 2 H20 + O2 + 4 Au 4 NaAu(CN): + 4 NaOH 42.7 g 33.4 g 22.3 g 31.2g Limiting reactant: b) When the reaction in 4a is performed using the quantities shown above, 5.78 g of NaOH are isolated. What is the percent yield of NaOH? Handbook 3 O 2020 Cuesta College All rights reserved 40

4. a) 8 NaCN + 2 H20 + O2 + 4 Au 4 NaAu(CN): + 4 NaOH 42.7 g 33.4 g 22.3 g 31.2g Limiting reactant: b) When the reaction in 4a is performed using the quantities shown above, 5.78 g of NaOH are isolated. What is the percent yield of NaOH? Handbook 3 O 2020 Cuesta College All rights reserved 40

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

4. a) 8 NaCN +
2 H20
+ O2
+ 4 Au
4 NaAu(CN): + 4 NaOH
42.7 g
33.4 g
22.3 g
31.2g
Limiting reactant:
b) When the reaction in 4a is performed using the quantities shown above, 5.78 g of NaOH are
isolated. What is the percent yield of NaOH?
Handbook 3 O 2020 Cuesta College All rights reserved
40

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4