4. How many grams of sodium lactate, NaC3H5O3, should be added to 1.00L of 0.150M lactic acid, HC3H503, to form a buffer solution with a pH of 3.90? Assume no volume change when the sodium lactate is added. Ka of lactic acid is 1.40 x 10-4.

Chemistry by OpenStax (2015-05-04)
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Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
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Chapter14: Acid-base Equilibria
Section: Chapter Questions
Problem 100E: What mass of NH4Cl must be added to 0.750 L of a 0.100-M solution of NH3 to give a buffer solution...
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4. How many grams of sodium lactate, NaC3H5O3, should be added to 1.00L of 0.150M
lactic acid, HC3H503, to form a buffer solution with a pH of 3.90? Assume no volume
change when the sodium lactate is added. Ka of lactic acid is 1.40 x 10-4.
Transcribed Image Text:4. How many grams of sodium lactate, NaC3H5O3, should be added to 1.00L of 0.150M lactic acid, HC3H503, to form a buffer solution with a pH of 3.90? Assume no volume change when the sodium lactate is added. Ka of lactic acid is 1.40 x 10-4.
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