Explain what is the ph of the buffer produced

Assignment Help Chemistry
Reference no: EM13228872

A buffer solution is prepared by mixing 20.0 mL of 0.032 M benzoic acid C6H5COOH(aq) solution with 25.0 mL of 0.022 M NaC6H5COO(aq). What is the pH of the buffer produced? (Ka of benzoic acid = 6.2 x10-5).

Reference no: EM13228872

Questions Cloud

Compute the volume of glacial acetic acid : Calculate the volume of glacial acetic acid (17.6 M) and weight of sodium acetate (mm = 82.03) that is required to make 102 ml of 0.2 M buffer at pH 4.85. The Ka of acetic acid is 1.4 x10^-5.
Explain the equilibrium the partial pressure of so2 : The reaction vessel is charged initially with SO3(g) and NO(g), each at a partial pressure of 0.500 atm. In the space below, enter the equilibrium the partial pressure of SO2(g) in units of atm
What type of transistor to use at the front end of reciever : A class C amplifier severely distorts the signal. How can we use a resonant tuned filter to get the desired signal at the output What type of transistor (BJT or FET) would you like to use at the front end (first amplifier) of a receiver
Compute the volume of glacial acetic acid : Calculate the volume of glacial acetic acid (17.6M) and eight of sodium acetate (mm=82.03) that is required to make 102 mL of 0.2M buffer at ph 4.85. The Ka of acetic acid is 1.4*10^-5.
Explain what is the ph of the buffer produced : A buffer solution is prepared by mixing 20.0 mL of 0.032 M benzoic acid C6H5COOH(aq) solution with 25.0 mL of 0.022 M NaC6H5COO(aq). What is the pH of the buffer produced? (Ka of benzoic acid = 6.2 x10-5).
Discuss how the dilemma was resolved : Citations to the article are required. Provide additional citations to support other information you provide, being sure to use more than your personal opinion to gauge the answer to question three
State the name of the structure of the major organic product : Name and provide the structure of the major organic product which results when (R)-3,3-dimethyl-2-butanol is heated in the presence of HBr.
Discuss how a specific right affects procedures : Do you agree or disagree with the way that this right has been implemented in the criminal justice system - Summarize the criminal defendant rights contained within the Fourth, Fifth, Sixth, and Eighth Amendments.
Explain the molecular geometry of the ammonium ion : The molecular geometry of the ammonium ion, NH4+, is most similar to the molecular geometry of

Reviews

Write a Review

Chemistry Questions & Answers

  Explain the oxygen atom with its 2s orbital forms

The oxygen atom with its 2s orbital forms a s bond with one of the three sp2 hybrid orbitals of the carbon atom; the two hydrogen atoms with their 1s orbitals each form a s bond with one of the three sp2 hybrid orbitals of the carbon atom.

  What was the ph at the end of the reaction

What was the pH at the end of the reaction? e) What would the final pH be in the absence of any buffer?

  Define the equation of line determined from a beers law plot

the equation of line determined from a Beers law plot is y=0.195x+0.4, what is the resistance of an unknown water sample if the assumed concentration is 1.8ppm. please show your work.

  Compute the mass in mg of kcn

Calculate the mass (in mg) of KCN needed to make 500. mL of aqueous KCN solution with a pH of 10.00.

  What is tert-butyl capxylate

what is tert-butyl capxylate? how 'bout its molecular structure?

  Define calcium carbonate reacts with hydrochloric acid

Marble (calcium carbonate) reacts with hydrochloric acid solution to form calcium chloride solution, water, and carbon dioxide. What is the percent yield of carbon dioxide

  Creating a new periodic table

Suppose in universe Xacto matter is composed of protons, neutrons, and special matter X. For elements in a, design and draw a new periodic table that makes sense for this parallel universe.

  Compute the molar mass of quinine

the freezing point of the solution is lowered by 4.10 °C. The freezing point and Kf constant for cyclohexane can be found here. Calculate the molar mass of quinine

  What is the new pressure of the gas in pa

A 739 mL gas sample at STP is compressed to a volume of 244 mL, and the temperature is increased to 24 ? C. What is the new pressure of the gas in Pa? Answer in units of Pa.

  Define the vapor pressures of pure benzene

The vapor pressures of pure benzene and pure toluene at 25 C are 94.2 torr and 28.4 torr, respectively. Assuming ideal behavior

  How much nh3 could be produced

1.0 mol of CaCN2 and 1.0 mole of water are mixed together: CaCN2 + 3H2O → CaCO3 + 2NH3 How much NH3 could be produced?

  How much will the ph change

A beaker with 1.70×102 mL of an acetic acid buffer with a pH of 5.000 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 6.20 mL of a 0.490 it M HCl solution to the beaker. How much wi..

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