Explain what is the pka of the weak acid

Assignment Help Chemistry
Reference no: EM13242937

A buffer is prepared by adding 1.50X 10^2 ml of 0.250 M NaOH to 2.50X10^2 ml of 0.350 M weak acid, HB. The solution is diluted to 1.00 L. If the pH of the resulting solution is 6.55, what is the pKa of the weak acid

Reference no: EM13242937

Questions Cloud

Compute how much energy in the form of heat : Calculate how much energy in the form of heat is available from 100mL of this mixture and compare it with the amount from pure gasoline. assume the densities of ethanol and gasoline are
Evaluate requirements of hotel in terms of number of clients : 1.Evaluate the requirements of the Hotel's in terms of number of clients,types of servers etc.
Find the average speed of plane : A plane flies 429 km east from city A to city B in 45.0 min and then 969 km south from city B to city C in 1.40 h, find its average speed (in km/h)
Calculate the change in the banks excess reserves : Suppose that a commercial bank sells $3 million in securities on the open market. Calculate the change in the bank's excess reserves when the required reserve ratio on checkable deposits is 14%.
Explain what is the pka of the weak acid : A buffer is prepared by adding 1.50X 10^2 ml of 0.250 M NaOH to 2.50X10^2 ml of 0.350 M weak acid, HB. The solution is diluted to 1.00 L. If the pH of the resulting solution is 6.55, what is the pKa of the weak acid
What are the banks required and excess reserves : Suppose that a bank currently has assets of $24,000 in reserves and $176,000 in loans and liabilities of $200,000 in deposits. If the required reserve ratio is 10%, what are the bank's required and excess reserves
Explain what mass of pb is oxidized in the lead-acid : Suppose that a car's starter motor draws 223 A of current for 6.0 s to start the car. What mass of Pb is oxidized in the lead-acid battery to supply this much electricity
How does a minimum wage imposed under monopsony differ : How does a minimum wage imposed under monopsony differ in results as compared with a minimum wage imposed under perfect competition (assuming the minimum wage is above the market-determined wage)
Venetian painting from high italian renaissance painting : Is it possible to account for the differences in Venetian painting from High Italian Renaissance painting (made principally in Florence and Rome) because of the location? Why or why not?

Reviews

Write a Review

Chemistry Questions & Answers

  Explain mechanisms are very stereospecific causing

Give a detailed explanation why SN1 mechanisms are not stereospecific but SN2 mechanisms are very stereospecific causing

  What is the molarity of the analyte

If the titrant has a molarity of 0.2750 M and there are 50.00 mL of analyte present, what is the molarity of the analyte?

  Explain what is the concentration of iron ion in a solution

What is the concentration of iron(III) ion in a solution made by taking 10.00 mL of a 0.300 M Fe3+ solution and diluting it to the mark in a 100.0 mL volumetric flask?

  Calculate the equilibrium concentrations of the gases

At a particular temperature, K = 3.75 for the following reaction. SO2(g) + NO2(g) SO3(g) + NO(g)

  How many grams of ammonium nitrate must have reacted

pure nitrogen can be prepared when an aqueous solution of ammonium nitrite decomposes to form water vapor and nitrogen gas. How many grams of ammonium nitrate must have reacted if 3.75dm3 of nitrogen gas was collected over water at 26C and 97.8 kP..

  Determine the v of a voltaic cell

Determine the V of a voltaic cell (E°cell) if it is required to do 5.43 × 10¯3 Kilo Joule of work when a charge of 2.50 C is transmitted.

  Explain the acid-catalyzed hydrolysis of ethyl acetate

showing electron flow with arrows, for the acid-catalyzed hydrolysis of ethyl acetate to acetic acid and ethanol- the reverse of a Fischer esterification reaction.

  Determine the molar mass of chloroform gas

Determine the molar mass of chloroform gas if a sample weighing .389 grams is collected in a flask with a volume of 102cm cubed at 97 degrees Celsius. The pressure of the chloroform is 728 mmHg.

  Explain moles of a gas are placed into a rigid

the pressure is measured as 8.75 atm. Which of these three gases below could be in the container and why? 1) Ar, 2)Co2, 3)HCl

  Compute the effect of it on the reaction conversion

Find the fugacity coefficient at the reaction conditions and calculate the effect of it on the reaction conversion.

  Compute the empirical formula and molar formula

Calculate the empirical formula and the molar formula.

  Describe the biogeochemical cycles for h2o

Describe the biogeochemical cycles for H2O, C and N and describe how human activities have thrown them out of their natural balance.

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