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Question 17 A beaker contains 100 mL of a 2.27 M HCN, 2.27 M CN buffer solution. Then, 25.6 mL of a 1.0 M solution of HNO3 is added. What is the pH of the final solution? The Ka for HCN is 4.9E-10. (the answer should be entered with 3 significant figures; do not enter units; give answer in normal notation-examples include 1.23 and 12.3 and -123 and 123. and 120.) K Question 17 of 30 A Moving to another question will save this response. Mac esc @ %23 % & 2 3 4 5 7 8 9 Q W E A D F K ock C M commond option B

Question 17 A beaker contains 100 mL of a 2.27 M HCN, 2.27 M CN buffer solution. Then, 25.6 mL of a 1.0 M solution of HNO3 is added. What is the pH of the final solution? The Ka for HCN is 4.9E-10. (the answer should be entered with 3 significant figures; do not enter units; give answer in normal notation-examples include 1.23 and 12.3 and -123 and 123. and 120.) K Question 17 of 30 A Moving to another question will save this response. Mac esc @ %23 % & 2 3 4 5 7 8 9 Q W E A D F K ock C M commond option B

Chemistry
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 17 A beaker contains 100 mL of a 2.27 M HCN, 2.27 M CN buffer solution. Then, 25.6 mL of a 1.0 M solution of HNO3 is added. What is the pH of the final solution? The Ka for HCN is 4.9E-10. (the answer should be entered with 3 significant figures; do not enter units; give answer in normal notation-examples include 1.23 and 12.3 and -123 and 123. and 120.) KK Question 17 of 30 A Moving to another question will save this response. Mac esc @ %23 % & 2 3 4 7 8 9 W E R A F K ock В M command option
Transcribed Image Text:Question 17 A beaker contains 100 mL of a 2.27 M HCN, 2.27 M CN buffer solution. Then, 25.6 mL of a 1.0 M solution of HNO3 is added. What is the pH of the final solution? The Ka for HCN is 4.9E-10. (the answer should be entered with 3 significant figures; do not enter units; give answer in normal notation-examples include 1.23 and 12.3 and -123 and 123. and 120.) KK Question 17 of 30 A Moving to another question will save this response. Mac esc @ %23 % & 2 3 4 7 8 9 W E R A F K ock В M command option
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