A. Calculate the pH of a solution containing 0.2M lactic acid (pKa = 3.86) B. Calculate...

Question

Question

A. Calculate the pH of a solution containing 0.2M lactic acid (pKa = 3.86)

B. Calculate the pH of a solution of 1x10^-9 M HCl (strong acid) in distilled water. Show your work.

science chemistry

Answer 1

Answer #1

The answer is given as follows:-

Answer 2

Similar Homework Help Questions

What is the pH of a 1.00 L solution containing 0.295 M lactic acid, HC3H5O3 (pKa...

What is the pH of a 1.00 L solution containing 0.295 M lactic acid, HC3H5O3 (pKa = 3.86) and 0.295 M sodium lactate, NaC3H5O3, upon the addition of 0.055 mol HCl? Assume no significant volume change occurs.
Given stocks of 1 M Lactic Acid (pKa 3.86) at pH 3.5, 2 M naOH, 2...

Given stocks of 1 M Lactic Acid (pKa 3.86) at pH 3.5, 2 M naOH, 2 M HCl and water: how would you prepare 4 liters of 0.05 M Lactic Acid at pH 3.25? Give 2 M Tris, pH 7.1 (pKa 8.0), 5 M NaOH, 5 M HCl, and water: how would you prepare 2 L of 0.2 M Tris, pH 7.4?
10 ml containing 1.0 mmole of lactic acid solution, CH3CH(OH)COOH, (pKa=3.86) was titrated with NaOH solution...

10 ml containing 1.0 mmole of lactic acid solution, CH3CH(OH)COOH, (pKa=3.86) was titrated with NaOH solution up to a total volume of 100 ml a. what is the concentration of the base solution required for a full neutralization of the lactic acid? b. what is the pH at the equivalent point? c. what will be the pH of the solution obtained after adding 0.2 mmole of NaOH(S) (SOLID!)

A buffer contains 0.010 mol of lactic acid (pKa = 3.86) and 0.050 mol of sodium...

A buffer contains 0.010 mol of lactic acid (pKa = 3.86) and 0.050 mol of sodium lactate per liter. (a) Calculate the pH of the buffer. (b) Calculate the change in pH when 5.0 mL of 0.50 M HCl is added to 1.0 L of the buffer. (c) What pH change would you expect if you added the same quantity of HCl to 1.0 L of pure water?
Consider a 8×10−2 M solution of the weak acid lactic acid , for which pKa = 3.86 ....

Consider a 8×10−2 M solution of the weak acid lactic acid , for which pKa = 3.86 . 1. Calculate the concentration of lactate ions. 2. Calculate the concentration of lactic acid in equilibrium.
lactic acidosis has a pKa of 3.86. At pH 3.60, the % of lattice acid that...

lactic acidosis has a pKa of 3.86. At pH 3.60, the % of lattice acid that remain undissociated is

A buffer contains 0.020 mol of lactic acid (pKa = 3.86) and 0.100 mol sodium lactate...

A buffer contains 0.020 mol of lactic acid (pKa = 3.86) and 0.100 mol sodium lactate per liter of aqueous solution. a. Calculate the pH of this buffer. b. Calculate the pH after 8.0 mL of 1.00 M NaOH is added to 1 liter of the buffer (assume the total volume will be 1008 mL).
What is the predominant form of pyruvic acid (pKa =2.50) and lactic acid (pKa = 3.86)...

What is the predominant form of pyruvic acid (pKa =2.50) and lactic acid (pKa = 3.86) at physiological pH (7.4)? Draw the predominant structure of each. In which amino acid does the R group bond to the amino group?
Calculate the pH of a buffer solution prepared by mixing 75 mL of 1.0 M lactic...

Calculate the pH of a buffer solution prepared by mixing 75 mL of 1.0 M lactic acid and 25 mL of a 1.0M sodium lactate. (pka of lactic acid = 3.86) Calculate the change in pH that occurs when 0.01moles of OH are added to a 1L buffered solution that contains 0.5M acetic acid (HC_2H_3O_2) and 0.5M acetate ion (C_2H_3O_2). Acetic acid pka = 4.76.

Calculate the thoeretical pH of Solution B (10mL of 0.2M acetic acid and 10 mL of...

Calculate the thoeretical pH of Solution B (10mL of 0.2M acetic acid and 10 mL of 0.1M sodium hydroxide). Then calculate the theoretical pH after an addition of 1 mL of 0.0992M of HCl. Initial pH: 4.66, pH after addition of acid: 4.66 Calculate the theoretical pH of solution B (10 mL of 0.2M sodium acetate and 10 mL of 0.1M HCl). Then calculate the theoretical pH after an additon of 1 mL of 0.997M of NaOH. Initial pH: 4.81,...