9. What is the current that must be passed through solution AuCl3 for 200 second to precipitate 3g from gold on cathode? (At.wt Au= 197, Cl=35.5). a. 27 A b. 15 A c. 22 A d. 33 A 10. Which of the following mixture(s) is a buffer: a. 25mL 0.1M NaOH mixed with 25mL 0.1M NaOAC. c. 25mL 0.1M NH3 mixed with 12.5mL 0.1M HCI. b. 25mL 0.1M HCI mixed with 25mL 0.1M NaOH. d. 50mL 0.1M HOAC mixed with 25ml of 0.1M NaOH.
9. What is the current that must be passed through solution AuCl3 for 200 second to precipitate 3g from gold on cathode? (At.wt Au= 197, Cl=35.5). a. 27 A b. 15 A c. 22 A d. 33 A 10. Which of the following mixture(s) is a buffer: a. 25mL 0.1M NaOH mixed with 25mL 0.1M NaOAC. c. 25mL 0.1M NH3 mixed with 12.5mL 0.1M HCI. b. 25mL 0.1M HCI mixed with 25mL 0.1M NaOH. d. 50mL 0.1M HOAC mixed with 25ml of 0.1M NaOH.
Chapter22: Bulk Electrolysis: Electrogravimetry And Coulometry
Section: Chapter Questions
Problem 22.26QAP
Related questions
Question
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 3 steps with 2 images
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Recommended textbooks for you
Chemistry: An Atoms First Approach
Chemistry
ISBN:
9781305079243
Author:
Steven S. Zumdahl, Susan A. Zumdahl
Publisher:
Cengage Learning
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry: An Atoms First Approach
Chemistry
ISBN:
9781305079243
Author:
Steven S. Zumdahl, Susan A. Zumdahl
Publisher:
Cengage Learning
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning