Explain the ka value of lactic acid

Assignment Help Chemistry
Reference no: EM13228674

A lactic acid/lactate ion buffer solution contains 0.31 M HC3H5O3 and 0.90 M C3H5O3-, respectively. The Ka value of lactic acid is 1.4x10^-4. Calculate the pH of this buffer.

Reference no: EM13228674

Questions Cloud

Compute the ph at the equivalence point in titrating : Calculate the pH at the equivalence point in titrating 0.100 M solutions of each of the following with 0.034 M NaOH. (c) sodium hydrogen chromate (NaHCrO4)?
What kinds of actions do the codes cover : How extensive are the codes from the two organizations/associations and do these codes reflect values? What values?
Why is marx forced from cologne : Why is Marx forced from Cologne? Why does he choose London? How is his experience there different than his time in Paris?
What are the possible drawbacks or dangers : in what ways might using IT, rather than face - to - face communication, help or hinder global trade in the future?
Explain the ka value of lactic acid : A lactic acid/lactate ion buffer solution contains 0.31 M HC3H5O3 and 0.90 M C3H5O3-, respectively. The Ka value of lactic acid is 1.4x10^-4. Calculate the pH of this buffer.
Discuss the points and tabulate the strengths and weakness : Please discuss the points and tabulate the strengths and weaknesses
Radicals and exiles : By the mid 1840s, Marx is living in Paris among so many other radicals and exiles. What is the cumulative effect on him and his thinking of this environment
Find eoq and optimum time between orders : Machine setup costs are $50, carrying costs are 25 percent per year, and the part is valued in inventory at $35 each. Find EOQ and optimum time between orders.
Explain the test used to separate and identify the ions : A solution is known to contain Bi3+ ion or Cd2+ ion or both. Describe the test(s) that could be used to separate and identify these ions. Describe the results you would expect to see for each ion, if that ion were present.

Reviews

Write a Review

Chemistry Questions & Answers

  Find the induced current i in the resistor

A rolling axle, 1.50 m long, is pushed along horizontal rails at a constant speed v=3.00 m/s. A resistor R=0.400Ω is connected to the rails at points a and b, directly opposite from each other.

  What is the final temperature of the mixture

25.0 mL of ethanol (density = 0.789 g/mL) initially at 7.4°C is mixed with 32.1 mL of water (density = 1.0 g/mL) initially at 25.3°C in an insulated beaker. Assuming that no heat is lost, what is the final temperature of the mixture?

  Depict the structure of phosphatidylethanolamine

Draw the structure of phosphatidylethanolamine containing one lauric and one palmitoleic fatty acid. Show the ionic form expected at pH7.

  What is the molaity of a solution

What is the molaity of a solution prepared by dissolving 75.8 of ethylene glycol, HOCH2CH2OH, in 1.45 L of water? assume the density of water is 1.00 g/mL.

  How many moles of cl ion are in the solution

A sample containing .221g Cl is dissolved in 50.0mL of water. How many moles of Cl ion are in the solution?

  What mass of p2o5 can be produced

If all of the phosphorus in a 3.00 g sample of MgNH4PO4 is extracted and used to make diphosphorus pentaoxide, what mass of P2O5 can be produced?

  Use a drawing program to draw a beaker.

Use a drawing program to draw a beaker.

  Valuate the efficiency for a compression ratio

Evaluate the efficiency for a compression ratio of 10:1. Assume that, in state A, V = 4.00 dm3, p = 1.00 atm, andT = 300 K, that VA = 10VB , pc /pb = 5, and that Cpm = 7/2 R

  What is the mass percentage of the table salt in the mixture

Table salt (NaCl) and sugar (C12H22O11) are accidentally mixed A 5.00g sample is burned and 2.20-g of CO2 are produced. What is the mass percentage of the table salt in the mixture.

  How many feet will it travel

An alien rocketship is traveling at a speed of 40 inches per minute. At this speed, how many feet will it travel in 1 second? Round to the nearest thousandth.

  Explain to prevent tank rupture during deep-space travel

To prevent tank rupture during deep-space travel, an engineering team is studying the effect of temperature on gases confined to small volumes

  How many moles of alcl3 can be produced

How many moles of AlCl3 can be produced by letting 918 grams of HCl react?

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