Aqueous solution of lactic acid

Assignment Help Chemistry
Reference no: EM131353817

Lactic acid (C3H603), which occurs in sour milk, sauerkraut and sore muscles, is weak monoprotic acid (Ka 0.00014).

a) Calculate the pH of a 0.125M aqueous solution of lactic acid.

Consider the structure of lactic acid. What makes the molecule act as weak acid? What makes it a stronger acid than acetic acid, CH3COOH (Ka  0.000018)? EXPLAIN BRIEFLY

Reference no: EM131353817

Questions Cloud

Solution at the equivalence point of the titration : Pyridine (C5H5N) is a weak base (pkb = 8.74) with an unpleasant, sweet fishy odour. In a titration, 175.0mL of pyridine solution required 13.6 mL of 0.3250M HCl to reach the equivalence point. a) Calculate the pH of the solution at the equivalenc..
Write a response about the given post : Choose one organization among any of the posts from the Discussion 1, "Understanding Your Role as a Writer." Compose a cover letter (not a resume) asking for consideration for an internship with the organization. Watch How To Create An Effective C..
A stream of air moves with a speed w : Apply the equation in part (a) to a meteor moving through a stationary atmosphere at a speed of 20 miles/so What would happen?
Write a biographical sketch of a famous person : Write a biographical sketch of a famous person who is no longer living, using at least three separate sources that are reliable and relevant.
Aqueous solution of lactic acid : Lactic acid (C3H603), which occurs in sour milk, sauerkraut and sore muscles, is weak monoprotic acid (Ka 0.00014). a) Calculate the pH of a 0.125M aqueous solution of lactic acid.
Why does a modern industrial economy need a central bank : Explain why the quantity of bank reserves supplied normally is higher and the quantity of bank reserves demanded normally is lower at higher interest rates.
Which option has the highest expected monetary value : MacDonald Products, Inc., of Clarkson, New York, has the option of (a) proceeding immediately with production of a new top-of-the-line stereo TV that has just completed prototype testing or (b) having the value analysis team complete a study. Whic..
Determining the protonation product : What is the most likely protonation product of 2-pyrone (1)? [Lone electron pairs are not shown explicitly.] A, B, C, D, or E
How did the fed reduce the federal funds rate : From September 2007 through December 2008, the Fed believed that interest rates needed to fall and took steps to reduce them, eventually cutting the federal funds rate from 5.25 percent to nearly zero. How did the Fed reduce the federal funds rate..

Reviews

Write a Review

Chemistry Questions & Answers

  State remain the same with the addition of potassium iodide

Does the molar solubility of lead(II) iodide increase, decrease, or remain the same with the addition of potassium iodide to the solution? Explain

  What volume of makers mark was consumed

What volume of Maker's Mark was consumed if the individual was drinking Maker's Mark (130 proof),?

  Explain what differences could use to identify the compound

Due to the age of the bottles the labels have fallen off. However it's known that one is formic acid as well as the other is 1-propanol. If you were to measure the IR of these liquids, explain what differences could you use to identify the compoun..

  State the reactant concentration in a second-order reaction

The reactant concentration in a second-order reaction was 0.410 M after 190s and 1.60×10^?2 M after 820s . What is the rate constant for this reaction

  Explain solid nacl in a saturated solution of nacl continues

if the solid NaCl in a saturated solution of NaCl continues to disolve, why is there no change in the concentration of the NaCl solution

  Calculate the change in internal energy for a system

calculate the change in internal energy for a system that is giving of 25.0 kJ of heat and is changing from 12.00 L to 6.00L in volume at 1.50 atm pressure.

  Calculate the specific heat of molybdenum metal in rm jg

calculate the specific heat of molybdenum metal in rm jg cdot circ c. the specific heat of water is 4.184rm jg cdot

  Explain catalytic reduction over a palladium catalyst

Compound A, , was found to be optically active. On catalytic reduction over a palladium catalyst, 2 equivalents of hydrogen were absorbed to yield compound B. Ozonolysis of A gave two compounds. One was identified as acetaldehyde

  What happens to the hydroxide ion concentration

Identify the acid or base behavior of each substance in these reactions and what happens to the hydroxide ion concentration if you decrease the hydronium ion concentration?

  Explain the wave function px and dxz are linear combinations

The wave function px and dxz are linear combinations of the spherical harmonic functions, which are eigenfunctions of the operators H, I^2, and Iz for rotation in 3D. The combinations have been chosen to yield real functions

  How many liters copper sulfate solution should you prepare

A) How many liters of copper sulfate solution should you prepare? B) How many grams of CuSO_4_.5H_2_O must you dissolve to make that solution?

  State how much difluoroacetic acid should be transferred

How much difluoroacetic acid (d = 1.526g/cm^3 MW = 96.033) should be transferred to a 500 mL volumetric flask that's half full of water to generate

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd