Question 1 of 5 What is the pH of a 1.0 L buffer made with 0.300 mol of HF (Ka = 6.8 x 10 4) and 0.200 mol of NaF to which 0.140 mol-of NaOH were added? %3D
Question 1 of 5 What is the pH of a 1.0 L buffer made with 0.300 mol of HF (Ka = 6.8 x 10 4) and 0.200 mol of NaF to which 0.140 mol-of NaOH were added? %3D
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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Transcribed Image Text:Question 1 of 5
What is the pH of a 1.0 L buffer made with 0.300 mol of HF (Ka = 6.8
x 10 4) and 0.200 mol of NaF to which 0.140 mol-of NaOH were
added?
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Question 2 of 5
How many moles of CH NH.CI need to be added to 200.0 mL of a
0.500 M solution of CH:NH2 (Kb for CH:NH2 is 4.4 x 10 4) to make a
buffer with a pH of 10.70?
mol
+/-
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3.
6.
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5.
8.
4.
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Transcribed Image Text:Apps G Businesses-Googl.
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Question 2 of 5
How many moles of CH NH.CI need to be added to 200.0 mL of a
0.500 M solution of CH:NH2 (Kb for CH:NH2 is 4.4 x 10 4) to make a
buffer with a pH of 10.70?
mol
+/-
ype here to search
3.
6.
90
2]
5.
8.
4.
7.
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