## How To Find Ka Given The Pka

#### calculating Ka and pKa? Yahoo Answers

How to Calculate pH and pKa of a Buffer Using Henderson Easybiologyclass.com Problem-2: The pH of the given solution of lactic acid and lactate is 4.30. Calculate the pKa of lactic acid, when the concentration of lactic acid and lactate are 0.020M and 0.073M respectively.

#### calculating Ka and pKa? Yahoo Answers

13/07/2014 · Hi, During my lab, I came up with some results and was asked to calculate the Ka and pKa? the initial concentration of the acid was 9.80x10^-3M the pH=4.28 calculate Ka and pKa. I know the formula is pH=pKa +log (base/Acid) and pKa=-log Ka Can someone help me step by step how to figure it out? like what number...

#### calculating Ka and pKa? Yahoo Answers

Ka is a constant of the stoichiometric equilibrium defined in terms of the concentration ratio [A total concentration of indicat T or C becomes very acidic, all indicator exists as HA. The absorbance of the solution at a given wavelength ? is given by A bC HA HA T=? ? ? (3) where ? HA is the molar absorptivity of HA at wavelength ? and b is the width of the cell containing the

#### calculating Ka and pKa? Yahoo Answers

Given that relationship between Ka and pKa is defined logarithmically, we can rewrite the equation from the previous step as Ka = 10^-(pKa). Find Ka. Substitute your known pKa value into the equation from the previous step.

How to find ka given the pka

#### calculating Ka and pKa? Yahoo Answers

20/12/2013 · This video shows you how to calculate pKa when you know Ka and also how to calculate Ka when you know pKa. The video also touches on some reasons why it …

#### calculating Ka and pKa? Yahoo Answers

A comment before discussing the solution: note that the pK a is given, rather than the K a. The first thing we will need to do is convert the pK a to the K a . Then, the two values we need to obtain to solve the problem given just above are [H + ], which is pretty easy and [HA], which is only a …

#### calculating Ka and pKa? Yahoo Answers

How do you find the pH of a solution with a known pKa and Molarity? Ask Question 0. How do How is the pKa of extremely weak acids determined? 2. What is the necessary volume of concentrated HCl to prepare a solution with a pH of 1.8? 1. How is the pka related to the ph of the solution for an amine?-2. How to find the pH of a solution of hydrochloric acid and sodium hydroxide. 1

#### calculating Ka and pKa? Yahoo Answers

How to Calculate pH and pKa of a Buffer Using Henderson Easybiologyclass.com Problem-2: The pH of the given solution of lactic acid and lactate is 4.30. Calculate the pKa of lactic acid, when the concentration of lactic acid and lactate are 0.020M and 0.073M respectively.

#### calculating Ka and pKa? Yahoo Answers

the equilibrium constant Ka is Ka = [H+][A-]/[HA] The value of Ka lets us determine whether the equilibrium lies to the left or to the right, and thus the strength of the acid.

#### calculating Ka and pKa? Yahoo Answers

Ka is a constant of the stoichiometric equilibrium defined in terms of the concentration ratio [A total concentration of indicat T or C becomes very acidic, all indicator exists as HA. The absorbance of the solution at a given wavelength ? is given by A bC HA HA T=? ? ? (3) where ? HA is the molar absorptivity of HA at wavelength ? and b is the width of the cell containing the

#### calculating Ka and pKa? Yahoo Answers

A comment before discussing the solution: note that the pK a is given, rather than the K a. The first thing we will need to do is convert the pK a to the K a . Then, the two values we need to obtain to solve the problem given just above are [H + ], which is pretty easy and [HA], which is only a …

#### calculating Ka and pKa? Yahoo Answers

How do you find the pH of a solution with a known pKa and Molarity? Ask Question 0. How do How is the pKa of extremely weak acids determined? 2. What is the necessary volume of concentrated HCl to prepare a solution with a pH of 1.8? 1. How is the pka related to the ph of the solution for an amine?-2. How to find the pH of a solution of hydrochloric acid and sodium hydroxide. 1

#### calculating Ka and pKa? Yahoo Answers

the equilibrium constant Ka is Ka = [H+][A-]/[HA] The value of Ka lets us determine whether the equilibrium lies to the left or to the right, and thus the strength of the acid.

### How to find ka given the pka - calculating Ka and pKa? Yahoo Answers

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