Calculate the volume of hepes

Assignment Help Chemistry
Reference no: EM13178917

Calculate the volume (in mL) of a 0.680 M KOH solution that should be added to 4.000 g of HEPES (MW=238.306 g/mol, pKa = 7.56) to give a pH of 7.62.

Reference no: EM13178917

Questions Cloud

What is the measure of the sixth angle : The measure of five angles of a hexagon are 137, 147, 103, 90, 118. What is the measure of the sixth angle?
What is the unpaid balance at the end of the 6th year : What is the unpaid balance at the end of the 6th year? Show the formula that you used and the values used for each variable to calculate the unpaid balance at the end of the 6th year.
What was that self-regulating natural order : "It is Adam Smith's greatest contribution that he recognized in the social world of economics what Isaac Newton had recognized in the physical world of the heavens: a self-regulating natural order." Paul Samuelson a. What was that "self-regulating..
Major bureaucratic challenges : Delineate two major bureaucratic challenges in the U.S. to the effectiveness of terrorism prevention and suggest a way to address at least one of these challenges
Calculate the volume of hepes : Calculate the volume (in mL) of a 0.680 M KOH solution that should be added to 4.000 g of HEPES (MW=238.306 g/mol, pKa = 7.56)
Write a short letter to phil with your recommendation : Evaluate the two contracts. Write a short letter to Phil with your recommendation including the method you used to reach your conclusion.
Find the ending balance in an account : Find the ending balance in an account that opens with $6,610, earns 10.5% interest compounded monthly, and is held for 5 years. (Round your answer to the nearest cent.)
What is the total fertilizer use in honduras : What is the total fertilizer use in Honduras (metric tons)? What is the average application per cropped area (100 grams per hectare of arable land)? Compare this to fertilizer use per cropped area in the US
State how do the two graphs compare if the frequency factor : How do the two graphs compare if the frequency factor of the second reaction is higher than the frequency factor of the first reaction but the two reactions have the same activation energy?

Reviews

Write a Review

Chemistry Questions & Answers

  Determine the mass of citric acid produced

C12H22O11(aq) + 3 O2(g) 2 H3C6H5O7(aq) + 3 H2O(l) Determine the mass of citric acid produced when 4.60 mol C12H22O11 is used.

  Finding intervals and frequency between the lines

Gaseous HBr has an absorption band centered at about 2645 cm-1 consisting of a series of lines approximately equally spaced with an interval of 16.9cm-1.

  What is the concentration of this new dilute solution

A student mixes 347 mL of water and 254 mL of 8.70 x 10-5 M greenfood dye solution. What is the concentration of this new dilute solution of green food dye?

  What is the po43- concentration of the stock solution

A stock solution is prepared by adding 24 mL of 0.4 M Na3PO4 to enough water to make 79 mL. What is the PO43- concentration of 25 mL of the stock solution?

  What will the volume be

A sample of gas occupies 1.55L at STP. Remember, pressure at STP is 1.0 atm. What will the volume be if the pressure is increased to 50 atm while the temperature remains constant

  What will be the total gas pressure

what will be the total gas pressure when the partial pressure of A(g) has fallen to 8.00x10^2 mmHg?

  Calculate the theoretical yield of c2h5cl

Calculate the theoretical yield of C2H5Cl when 135 g of C_2H_6 reacts with 225 g of Cl_2, assuming that C_2H_6 and Cl_2 react only to form C_2H_5Cl and HCl.

  Calculate the final temperature of the mixture

A 29.0-g sample of water at 290. K is mixed with 51.0 g water at 340. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.

  Calculate the energy lost

calculate the energy lost when 75.0 g of water cools from 86.4 degrees celcius to 2.1 degrees celcius

  What is the total amount of energy in kcal radiated

an adult person radiates heat to the surroundings at about the same time as a 100-watt lightbulb. what is the total amount of energy in kcal radiated to the surroundings by an adult in 24 hrs?

  What will the volume of the gas be

A gas has a volume of 150 ml when its pressure is 0.947 atm. What will the volume of the gas be at a pressure of .987 atm, if the temperature remains constant

  Explain what is the power output of the turbine

What is the power output of the turbine? H1= 1322.6 Btu/lbm v1=3.058 (ft)^3/lbm H2= 1148.6 Btu/lbm v2=78.14 (ft)^3/lbm

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