Explain what is the ph halfway to the equivalence point

Assignment Help Chemistry
Reference no: EM13245192

What is the pH halfway to the equivalence point for the titration of 0.20 M CH3NH2 with 0.20 M HCl? (Kb of CH3NH2 = 4.4 x 10-4)

a. 10.6

b. 3.4

c. 9.3

d. 4.7

e. 7.0

Reference no: EM13245192

Questions Cloud

What price should be set for each group : a) If the market cannot be segmented, what is the uniform monopoly price b) If the night club can charge according to whether or not the customer is a student but is limited to linear pricing
Find out the photon energy and the wavelength : In some cases a Br-Br bond can be broken by the absorption of photons of light energy. Br-Br bond energy is 192 kj/mol determine the photon energy and the wavelength (in nanometers) associated with breaking this bond.
Use normal approximation to binomial to find the probability : Of all 3 - 5 year old children, 71% are enrolled in school. If a sample of 400 children are randomly selected, what is the probability that at least 300 will be enrolled in school.
Which country has an absolute advantage of producing wheat : Labor hours required to produce one unit of cloth in the united kingdom is 6. The labor hours required to produce one unit of cloth in the united states is 5. Which country has an absolute advantage of producint wheat In producing cloth
Explain what is the ph halfway to the equivalence point : What is the pH halfway to the equivalence point for the titration of 0.20 M CH3NH2 with 0.20 M HCl? (Kb of CH3NH2 = 4.4 x 10-4)
What is the opportunity cost of producing a unit of wheat : The labor hours required to produce one unit of wheat in the United kingdom 2. The labor of producing one unit of wheat in the United states is 1. What is the opportunity cost of producing a unit of wheat in the United kingdom
Find the limits for the middle : Find the probability that the age of a randomly selected CEO will satisfy each condition - The average teacher's salary in timbucktoo is $29,863. Assume a normal distribution with a standard deviation of $5000.
Find the charge-to-mass ratio of the particle : A charged particle moves through a velocity selector at a constant speed in a straight line, Find the charge-to-mass ratio of the particle
Explain excess oxygen produce carbon dioxide and water : How many molecules of carbon dioxide are produced when 130 molecules of acetylene (HCCH) to react in excess oxygen produce carbon dioxide and water

Reviews

Write a Review

Chemistry Questions & Answers

  What was the concentration of the unknown hclo4 solution

What was the concentration of the unknown HClO4 solution? The neutralization reaction is: HClO4(aq)+NaOH(aq)==>H2O(l)+NaClO4(aq)

  Explain mechanism for the sodium hypochlorite oxidation

Propose a reasonable reaction mechanism for the sodium hypochlorite oxidation of 3-heptanol. Give the IUPAC name of the expected product. What other oxidizing agents may be used to carry out this oxidation

  Which would work better for the purpose, magnesium or zinc

Concrete used in road construction is reinforced using steel bars in a grid, known collectively as "rebar." After many years, rebar will begin to corrode, and the concrete will weaken.

  What is freezing point of solution of ethylene glycol

Ethylene glycol, HOCH2CH2OH, is effective as an antifreeze, but it also raises the boiling temperature of automobile coolant, which helps prevent loss of coolant when the weather is hot. a. What is the freezing point of a 50.0% solution of ethylen..

  State chemeical equation for the reaction of magnesium metal

the balanced chemeical equation for the reaction of magnesium metal in oxygen gas and for the rection of magnesium metal in nitrogen gas

  Define increased concentration of certain gases

Global warming refers to the rise in average global temperature due to the increased concentration of certain gases, called greenhouse gases, in our atmosphere.

  Calculate the molarity of a solution

Calculate the molarity of a solution made by dissolving 0.0715 mol Na2SO4 in enough water to form 550 mL of solution.

  Compute the new temperature of the water bath

The water bath conatins 2.90 kg of water at 27.6 degrees celcuis. During the reaction 110 kj of heat flows out of the flask into the bath. Calculate the new temperature of the water bath

  Is the solution saturated, unsaturated

You have a solution of sodium nitrate containing 140g at 65 degrees Celsius. Is the solution saturated, unsaturated, or supersaturated.

  Calculate the solubility in m units of ammonia gas in water

Calculate the solubility (in M units) of ammonia gas in water at 298K and a partial pressure of 6.50bar . The Henry's law constant for ammonia gas at 298K is 58.0 M/atm

  Compute the equilibrium constant for the titration

Use a combination of balanced chemical equations and their K's to calculate the equilibrium constant for the titration of formic acid with NaOH, which you used in the previous question. (Hint: You will need to include the value of Kw at some point..

  Explain carbon-11 radioactively decays by positron emission

Carbon-11 radioactively decays by positron emission with a half-life of 20.4 minutes. If a dosage of carbon-11 is administered to a patient for a PET scan, what percentage of carbon-11 will remain in the patient's system after 61.2 min

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