is reached: Calculate the pH of 50.0 mL of 0.250 M oxalic acid (HOOCCOOH) upon addition of 50.0 mL of 0.500 M NaOH. Round your calculated value for pH to two figures to the right of the decimal point. Significant constants: Ka, of oxalic acid = 5.60 x 10 and Ka, -5 of oxalic acid = 5.42 x 10 %3D

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
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Chapter15: Complex Acid/base Systems
Section: Chapter Questions
Problem 15.17QAP
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pH calculation when the second equivalence point
is reached:


Calculate the pH of 50.0 mL of 0.250 M oxalic acid

(HOOCCOOH) upon addition of 50.0 ml of 0.500 M
NaOH. Round your calculated value for pH to two
figures to the right of the decimal point. Significant
constants: Ka1 of oxalic acid = 5.60 x 10^-2 and Ka2
of oxalic acid = 5.42 x 10^-5

I calculation when the second equivalence point
is reached:
Calculate the pH of 50.0 mL of 0.250 M oxalic acid
(HOOCCOOH) upon addition of 50.0 mL of 0.500 M
NaOH. Round your calculated value for pH to two
figures to the right of the decimal point. Significant
-2
constants: Ka, of oxalic acid = 5.60 x 10 and Ka,
-5
of oxalic acid = 5.42 x 10
%3D
Transcribed Image Text:I calculation when the second equivalence point is reached: Calculate the pH of 50.0 mL of 0.250 M oxalic acid (HOOCCOOH) upon addition of 50.0 mL of 0.500 M NaOH. Round your calculated value for pH to two figures to the right of the decimal point. Significant -2 constants: Ka, of oxalic acid = 5.60 x 10 and Ka, -5 of oxalic acid = 5.42 x 10 %3D
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