How to calculate the ph at the points

Assignment Help Chemistry
Reference no: EM13277673

A solution (100 mL) containing the diprotic weak acid, leucine (amino acid), at a concentration of 0.0005 M was titrated with 0.005 M NaOH (strong base). Calculate the pH at the following points (volumes of NaOH added) along the titration curve for leucine. Also, sketch the titration curve for this concentration and volume of leucine with NaOH. a. 0 mL of NaOH added b. 5 mL of NaOH added c. 10 mL of NaOH added d. 15 mL of NaOH added e. 20 mL of NaOH added f. 25 mL of NaOH added Ka1= 4.69 x 10^-3 Ka2= 1.79 x 10^-10

Reference no: EM13277673

Questions Cloud

Find by how much is the spring is compressed : The potential energy stored in the compressed spring of a dart gun, Find by how much is the spring is compressed
Derive expression for incremental work done in moving charge : A positive point charge of magnitude q1 lies at the origin. Derive an expression for the incremental work done in moving a second charge q2 through a distance dx from the starting position (x,y,z) in the direction of -ax.
Explain hydrocarbons are often reacted with steam to form h2 : Hydrocarbons are often reacted with steam to form H2, as shown for propane- C3H8(g) + 6 H2O(g) 3 CO2(g) + 10 H2(g) Calculate Kp for this reaction at a particular temperature
Find the ratio of the kinetic energy to the potential enery : If the phase angle for a block-spring system in SHM is pi/6 rad and the block's position is given by x = xm cos(wt + pi). what is the ratio of the kinetic energy to the potential enery at time t = 0
How to calculate the ph at the points : Calculate the pH at the following points (volumes of NaOH added) along the titration curve for leucine. Also, sketch the titration curve for this concentration and volume of leucine with NaOH. a. 0 mL of NaOH added b. 5 mL of NaOH added c. 10 mL o..
Explain how many air molecules are in a room : How many air molecules are in a 13.5 ft x 12 ft x 10ft room? Assume atmospheric pressure of 1 atm, a room temperature of 20.0 degrees Celcius and ideal behavior. There are 28.8 L in 1 cubic foot.
Staffing-employee training and development : Discuss the following statement: An individual who owns a business should be able to hire anyone and should have to worry about government interference. Should the manager attempt to avoid conflicts at all time? Explain. What are your thoughts on dis..
Compute the magnitude and direction of force on the charge : A +6.00-µC charge is moving with a speed of 8.80 104 m/s parallel to a very long, straight wire. Find the magnitude and direction of the force on the charge
Explain how revenue sources are planned : Explain how revenue sources are planned and budgeted in nonprofits and what are some typical key assumptions that must be made in the "revenue sources" budgeting process of nonprofits

Reviews

Write a Review

Chemistry Questions & Answers

  Explain increasing boiling point

Put the following substances in correct order of increasing boiling point: Ar, F2, H3COH, Ir, SO2.

  How much heat must be provided to vaporize

Liquid butane, C4H10, is stored in cylinders to be used as a fuel. Suppose 30.4 g of butane gas is removed from a cylinder. How much heat must be provided to vaporize this much gas? The heat of vaporization of butane is 21.3 kJ/mol.

  Give description of the number of bonds between o-o atoms

In the actual O3 molecule the best description of the number of bonds between O-O atoms is____ bonds.

  Explain what is the mass in grams of a single atom of ru

what is the mass in grams of a single atom of Ru. The answer is supposed to be in scientific notation as in blank time ten^ blank. I kinda have an idea but not sure

  Determine the delta h of decomposition

Determine the delta H of decomposition of 1.000 mole of solid KCIO3 into solid KCI and gaseous oxygen.

  Compute the ph at the equivalence point

Calculate the pH at the equivalence point for the titration of 0.25 M CH3COOH with 0.25 M NaOH. (For CH3COOH, Ka= 1.8 × 10^-5)

  Explain what is the maximum strength of acetic acid waste

What is the maximum strength of acetic acid waste ( as TOC in mg/L) that can be discharged without violating either permit requirement. ( recall that TOC in mg/L , measures the number of miligrams of carbon per liter)

  Explain dialdehyde and a five-carbon dialdehyde

upon catalytic hydrogenation unknown Z gives cyclooctane. Oxonolysis of Z followed by reduction with dimethyl sulfide, gives a three0carbon dialdehyde and a five-carbon dialdehyde. Draw the stucture of Z.

  What is the laboratory air pressure in atm

the air in the laboratory was measured with a barometer to be 7.20 x 10 squared mm Hg. what is the laboratory air pressure in atm.

  How large is the freezing point depression

A biochemical engineer isolates a bacterial gene fragment and dissolves a 10mg sample in enough water to make 30ml of solution. the osmotic pressure of the solution is .340 torr at 25 degrees C. the molar mass of the gene fragment is 1.81x10^4 g/m..

  What volume (in ml) would be occupied by sample of osmium

osmium has a density of 22.6 g/cm3. what volume (in mL) would be occupied by a 21.8 g sample of osmium?

  Specify the organic solvent and aqueous

Using a flow diagram, show the separation of a mixture containing p-bromoacetanilide, N-cyclopentyl-N-methyl-N-propylamine (N means the group is attached to the nitrogen of the amine) and m-nitrophenol. Specify the organic solvent and aqueous

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