User Account

All Pages

Calculate the pka and ka of lactic acid

Assignment Help Chemistry
Reference no: EM13696245

Problem- A solution made of equal concentrations of lactic acid and sodium lactate was measured to have a pH = 3.08.

a) Calculate the pKa and Ka of lactic acid

b) Calculate the pH of the solution if there was twice as much acid as salt in the solution.

I am in hurry anyone is there provide me the answer in quick phase

Reference no: EM13696245

Questions Cloud

Find the field in the region between point charge and shell : A point charge Q = 6.30 x 10-6 C is at the center of a conducting spherical shell of radius R = 18.50 cm. What is the field in the region between the point charge and the shell
What is the magnitude of the attractive force : Three equal positive point charges of magnitude Q = 7.00mu C are located at three corners of a square of edge length d = 5.6 cm. What is the magnitude of the attractive force on the negative charge
How far apart are the charges : Two charges of equal magnitude exert an attractive force of 4.5 x 10-4 N on each other. If the magnitude of each charge is +1.8 mu C, How far apart are the charges
What is the magnitude of the resultant field : An electric field of 12.6 N/C directed due north is superposed on an existing electric field of 16.1 N/C directed due east. What is the magnitude of the resultant field
Calculate the pka and ka of lactic acid : Problem- A solution made of equal concentrations of lactic acid and sodium lactate was measured to have a pH = 3.08. Calculate the pKa and Ka of lactic acid
What will be the deflection angle of the string : A tiny ball of mass 0.575 g is suspended by a thread of negligible mass in a horizontal electric field of 400 N/C. What will be the deflection angle of the string measured from the vertical
Calculate the potential for the oxidation : Problem- Calculate the potential for the oxidation of a carbohydrate (CH2O) by sulfate (SO4(2-)). Compare this to the potential if O2 is used as the oxidant.
How close are the two charges : A positive charge of 0.800 µC is located in a uniform field of 1.00 × 105 N/C. How close are the two charges
Calculate the concentration of h+ : Problem- If water has an alkalinity of 2 x 10^-3 equivalents per liter and a pH of 8, calculate the concentration of H+, OH-, CO3(2-) and HCO3-. Show your work

Reviews

Write a Review

Chemistry Questions & Answers

  Explain the atmosphere slowly oxidizes hydrocarbons

The atmosphere slowly oxidizes hydrocarbons in a number of steps that eventually convert the hydrocarbon into carbon dioxide and water. The overall reactions of a number of such steps for methane gas is as follows

  Which has the highest vapor pressure

Which has the highest vapor pressure?

  Explain the reaction must proceed to reach equilibrium

At 100 C the equilibrium constant for the reaction COCl2(g) ?? CO(g) + Cl2(g) has a value of Kc = 2.19 X 10 ^-10. Are the following mixtures of COCl2, CO, and Cl2 at 100 C at equilibrium? If not, indicate the direction that the reaction must proce..

  Which of these ground-state gaseous ions has the largest

which of these ground-state gaseous ions has the largest number of unpaired electrons?a v2b cr 2c fe 3d co 2e ni

  A reaction occurs in a calorimeter that contains 1200 g of

a reaction occurs in a calorimeter that contains 120.0 g of water at 25.0degc and 514.95 cal of heat is evolved. if the

  Ethyl chloride vapor decomposes by the first-order reaction

Ethyl chloride vapor decomposes by the first-order reaction C2H5Cl --> C2H4 + HCl The activation energy is 249 kJ/mol and the frequency factor is 1.6 X 10^14 s^-1 The rate constant at 730 K is 2.4 x 10^-4 s^-1. 1)

  What is the molar concentration of aluminum ions

When 0.052 mol of aluminum sulfate are dis- solved in enough water to make 179 milliliters of solution, what is the molar concentration of aluminum ions?

  Explain methylammonium ion and chloride ion

The methylamine hydrochloride dissociates completely in water to form methylammonium ion (CH3NH3+) and chloride ion.

  Explain radiation has the shortest wavelength

Which one of these types of electromagnetic radiation has the shortest wavelength? infrared, ultraviolet,microwaves, or radio waves

  Explain the electropphilic addition reaction of maleic acid

If the electropphilic addition reaction of maleic acid with HCL had gone to compleletion what would be the structure of the addition product

  The element chromium is thought to be a cancer causing agent

The element chromium is thought to be a cancer causing agent. Chromium in the form of the chromate ion in a water soluble compound presents a risk to humans

  Identify the oxidizing agent in the reaction mg2hclh2mgcl2

identify the oxidizing agent in the reaction mg2hclh2mgcl2 the generation of hydrogen gas in the

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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