Lactic acid, C3H6O3, is found in sour milk. 100 mL of a 0.05 M lactic acid solution with a pH of 4.11 contains 1 g of sodium lactate, (NaC3H5O3). According to this, a) Write down the possible reactions of lactic acid and sodium lactate in water. b) Calculate the Ka value of lactic acid. c) Calculate the change in pH (DpH) when 0.05 mol HCl is added to this solution. (MNaC3H5O3)= 112 g/mol

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A: Buffer solution not  formed

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A:

Q: An analytical chemist Is titrating 150.5 mL of a 0.1400M solution of aniline (CH,NH,) with a 0.4000M…

A:

Q: A 0.54 M solution of chloroacetic acid, CICH2 CO2H, has a pH of 1.57. Calculate K, for the acid. %3D

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Q: which assumption can't be applied in the calculation of the pH of this solution? (a) that the…

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Q: 13.2)  a) A 0.439-M aqueous solution of a weak acid has a pH of 4.56. Calculate Ka for the acid.…

A: Please find the solution as hand written note.

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A:

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A:

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A:

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A:

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Q: Calculate the pH of the following buffer solutions:

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A:

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A:

Q: (a) Using the expression Ka=[H+][A−]/[HA], explain how to determine which solution has the lower pH,…

A:

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