Calculate the ph of an aqueous solution

Assignment Help Chemistry
Reference no: EM131722327

Question 1: HA is a weak acid. Its ionization constant, Ka, is 4.9 x 10-13. Calculate the pH of an aqueous solution where the initial concentration of NaA is 0.049 M.

Question 2: 0.131 mol of a weak acid, HA, is placed in enough water to produce 1.00 L of solution. The final pH of this solution is 1.22. Calculate the ionization constant, Ka, of HA.

Question 3: 0.683 mol of a weak acid, HA, and 12.4 g of NaOH are placed in enough water to produce 1.00 L of solution. The final pH of this solution is 4.50. Calculate the ionization constant, Ka, of HA.

Reference no: EM131722327

Questions Cloud

Immediate inferences are valid or invalid for the fog : No flying reindeer are animals who get lost in the fog. Therefore, it is false that all flying reindeer are animals who get lost in the fog.
Define psychological effects and status on computer uses : psychological effects and status on computer uses
Identify the major benefits of multi-channel retailing : Identify the major benefits of multi-channel retailing.
Briefly explain any five performance metrics : Briefly explain any five performance metrics that have traditionally been used by bricks and mortar stores to measure its performance?
Calculate the ph of an aqueous solution : HA is a weak acid. Its ionization constant, Ka, is 4.9 x 10-13. Calculate the pH of an aqueous solution where the initial concentration of NaA is 0.049 M.
Appropriate for accessing this culturally-closed market : What entry strategy would be most appropriate for accessing this culturally-closed market?
Four levels of product using a cruise-ship : Illustrate the four levels of product using a cruise-ship as an example. The outer level should be explained using five elements
Contained in the dilute solution : A 80.0 mL stock solution contains 5.00 M BaCl2. When 25.0 mL of the stock solution is diluted to 75.0 mL, how many moles of Ba2+ ions will be contained.
Containers for transportation of products condition : Selection of containers for transportation of products Condition of the problem. Products are transported in standard containers in boxes or trays.

Reviews

Write a Review

Chemistry Questions & Answers

  Explain the light emitted by an incandescent light bulb

Create a 5-step procedure you think will work to compare the efficiency of the light emitted by an incandescent light bulb to a fluorescent light bulb.

  Explain how many pounds of water vapor are in the air

A room contains 12,000 ft.³ of air at 75°F and 29.7 inches Hg Absolute. The air has a dew point of 60°F. How many pounds of water vapor are in the air

  Define what is the bod20 and the ultimate bod

After 20 days, the sample was fixed utilizing the Winkler method and titrated using a 0.0125 M sodium thiosulfate solution to a starch-iodide endpoint after addition of 6.26 mL of the sodium thiosulfate solution. Define what is the BOD20 and the ul..

  A compound with the formula c5h10o is reacted with excess

a compound with the formula c5h10o is reacted with excess iodine and base. a yellow product forms. draw the formula of

  Compute the moles of silver nitrate and sodium chloride

Calculate the moles of silver nitrate and sodium chloride. (c) Which reactant is the limiting reagent? (d) Determine the theoretical yield in grams of silver chloride formed.

  Compute the amount of heat required to completely sublime

Calculate the amount of heat required to completely sublime 18.0g of solid dry ice (CO2 ) at its sublimation temperature

  An ice calorimeter can be used to determine the specific

an ice calorimeter can be used to determine the specific heat ofa metal. a piece of hot metal is dropped into a weighed

  Compute the mass in grams of o

The mass of O (oxygen) in this sample can be obtained by the difference of the sample masses and the total calculated masses of H and C

  Describe the ph of the solution at the equivalence point

What are the concentrations of H30+, OH-, NH4+ at the equivalence point? What is the pH of the solution at the equivalence point

  Photochemical chlorination of pentane gave a mixture of

photochemical chlorination of pentane gave a mixture of three isomeric monochlorides. the principal monochloride

  Explain how many grams increase or decrease in mass

if 1.0 mol of electrons flows through the cell, how many grams increase or decrease in mass will the silver electrode undergo

  Depict the product of the aldol-dehydration reaction

Draw the product of the aldol-dehydration reaction with diethylketone and p-tolualdehyde

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