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HE154 S20 Ch17 Sec7-9 Later iCloud Preferences... r Practice 17.12- Enhanced - with Feedback • Part A Find the [OH-] of a 0.50 M pyridine (C5 H5N) solution. (The value of K for pyridine (C5 H,N) is 1.7 x 10-9.) Express your answer to two significant figures and include the appropriate units. НА [ОН ]- Value Units %3D Submit Request Answer v Part B Find the pH of a 0.50 M pyridine (C5 H5N) solution. HẢ [OH-] = Value Units %3D Submit Request Answer Part B Find the pH of a 0.50 M pyridine (C5 H; N) solution. Express your answer using two decimal places. nν ΑΣφ pH = %3D Submit Request Answer Provide Feedback

HE154 S20 Ch17 Sec7-9 Later iCloud Preferences... r Practice 17.12- Enhanced - with Feedback • Part A Find the [OH-] of a 0.50 M pyridine (C5 H5N) solution. (The value of K for pyridine (C5 H,N) is 1.7 x 10-9.) Express your answer to two significant figures and include the appropriate units. НА [ОН ]- Value Units %3D Submit Request Answer v Part B Find the pH of a 0.50 M pyridine (C5 H5N) solution. HẢ [OH-] = Value Units %3D Submit Request Answer Part B Find the pH of a 0.50 M pyridine (C5 H; N) solution. Express your answer using two decimal places. nν ΑΣφ pH = %3D Submit Request Answer Provide Feedback

Chemistry
Chemistry
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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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HE154 S20 Ch17 Sec7-9 Later iCloud Preferences... r Practice 17.12- Enhanced - with Feedback • Part A Find the [OH-] of a 0.50 M pyridine (C5 H5N) solution. (The value of K for pyridine (C5 H,N) is 1.7 x 10-9.) Express your answer to two significant figures and include the appropriate units. НА [ОН ]- Value Units %3D Submit Request Answer v Part B Find the pH of a 0.50 M pyridine (C5 H5N) solution.
Transcribed Image Text:HE154 S20 Ch17 Sec7-9 Later iCloud Preferences... r Practice 17.12- Enhanced - with Feedback • Part A Find the [OH-] of a 0.50 M pyridine (C5 H5N) solution. (The value of K for pyridine (C5 H,N) is 1.7 x 10-9.) Express your answer to two significant figures and include the appropriate units. НА [ОН ]- Value Units %3D Submit Request Answer v Part B Find the pH of a 0.50 M pyridine (C5 H5N) solution.
HẢ [OH-] = Value Units %3D Submit Request Answer Part B Find the pH of a 0.50 M pyridine (C5 H; N) solution. Express your answer using two decimal places. nν ΑΣφ pH = %3D Submit Request Answer Provide Feedback
Transcribed Image Text:HẢ [OH-] = Value Units %3D Submit Request Answer Part B Find the pH of a 0.50 M pyridine (C5 H; N) solution. Express your answer using two decimal places. nν ΑΣφ pH = %3D Submit Request Answer Provide Feedback
Expert Solution
Given Information:

Chemistry homework question answer, step 1, image 1

Calculations:

Part A

Pyridine is a weak base. Therefore, according to acid-base theory, the concentration of hydroxide ion [-OH] is calculated by the formula shown below.

Chemistry homework question answer, step 2, image 1

 

Part B

The pOH is calculated as shown below.

Chemistry homework question answer, step 2, image 2

The pH is calculated as shown below.

Chemistry homework question answer, step 2, image 3

The pH of 0.50 M pyridine is 9.46.

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