2. If 5.0 mL of 0.010 M NaOH is added to 100 mL of the buffer in Problem 1, how much will the pH change? 3. If 5.0 mL of 0.010 M NAOH is added to 100 mL of pure water, how much will the pH change?

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter15: Additional Aqueous Equilibria
Section: Chapter Questions
Problem 28QRT: Calculate the pH change when 10.0 mL of 0.100-M NaOH is added to 90.0 mL pure water, and compare the...
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2. If 5.0 mL of0.010 M NAOH is added to 100 mL of the buffer in Problem 1, how much will the pH change?
3. If 5.0 mL of 0.010 M NAOH is added to 100 mL of pure water, how much will the pH change?
HC,lA sertain buffer contains 0.0539 M acetic acid and 0.0305 M sodium acetate. What is the pH of this buffer?
of
0539
0305
537-x X
030stx
1-7x5
-5
1n x1o X.0539 - 3.00426 x10
CHgo = x=
PH= -109(3 or26x10)=4.52226
%3D
%3D
03 05
-5
PH 4522
Transcribed Image Text:2. If 5.0 mL of0.010 M NAOH is added to 100 mL of the buffer in Problem 1, how much will the pH change? 3. If 5.0 mL of 0.010 M NAOH is added to 100 mL of pure water, how much will the pH change? HC,lA sertain buffer contains 0.0539 M acetic acid and 0.0305 M sodium acetate. What is the pH of this buffer? of 0539 0305 537-x X 030stx 1-7x5 -5 1n x1o X.0539 - 3.00426 x10 CHgo = x= PH= -109(3 or26x10)=4.52226 %3D %3D 03 05 -5 PH 4522
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