State what is the ph of the buffer

Assignment Help Chemistry
Reference no: EM13514158

A buffer solution was prepared by adding 4.95 g of sodium acetate (NaCH3CO2) to 0.250 L of 0.150 M acetic acid (Ka = 1.75 x 10-5).

a. What is the pH of the buffer?

b. What is the pH of the resulting solution if you add 80.0 mg of NaOH to 0.100 L of the buffer?

Reference no: EM13514158

Questions Cloud

Estimate the resistance of the lamp : Capacitors are used in many applications where one needs to supply a short burst of relatively large current. Approximately what is the resistance of the lamp if the current reaches 5.0% of its original value in 1.8 ms
How much time will have elapsed : An electron with a speed of 5.74 × 108 cm/s in the positive direction of an x axis enters an electric field of magnitude 2.62 × 103 N/C, how much time will have elapsed
Explain a solution of h2co3 and hco3 will change the ph : A buffering system in the blood is H2CO3/HCO4. At the normal blood pH (7.4) a solution of H2CO3 and HCO3 will change the pH abruptly if small amounts of acid or base are added since the pKa of H2CO3 is 6.4.
Obtain the intensity of the transmitted light : Two sheets of polarizing material are placed with their transmission axes at right angles to each other. What is the intensity of the transmitted light when the middle sheet is removed
State what is the ph of the buffer : A buffer solution was prepared by adding 4.95 g of sodium acetate (NaCH3CO2) to 0.250 L of 0.150 M acetic acid (Ka = 1.75 x 10-5). What is the pH of the buffer
What average power do the panels supply : The solar panels on the roof of a house measure 4.0 m by 5.2 m. Assume they convert 12% of the incident EM wave's energy to electrical energy. What average power do the panels supply when the incident intensity is 1.0 kW/m2 and the panels are perpe..
Describe the value of the equilibrium constant : A sample of 2.0 grams of ammonia was placed in a 25.0 ml container and heated to 300 degrees C. After equilibrium was reached, the concentration of hydrogen was 1.58 moles/liter. What is the value of the equilibrium constant at 300 degrees C for t..
Determine the average energy density : The intensity of the sunlight that reaches Earth's upper atmosphere is approximately 1410 W/m2. What is the average energy density
Compute the approximate volume of the solution : The approximate molarity of this solution will be 0.025 M. You will take 10.0 mL of a 0.0100 M KIO3 solution, dissolve excess amounts of KI in it, and using the Na2S2O3 solution, titrate to the disappearance of the starch I2 color. Using the appro..

Reviews

Write a Review

Chemistry Questions & Answers

  Steps in the mechanism for the following reaction

Show all the steps in the mechanism for the following reaction, When benzene is mixed with deuterated sulfuric acid, deuterium is slowly incorporated onto the ring. Show the mechanism for this reaction and explain how this relates the sulfonation of ..

  Prior to placing piece of metal into the graduated cylinder

This assignment inhibits chemistry Laboratory Questions.

  Write the structures of the saytzeff elimination

Write the structures of the saytzeff elimination

  Calculate ph - chemistry questions

Chemistry Questions on Calculate P H

  How many mols of hydrogen can produce

how many mols of H 2 can produce

  Analysis of corrosion mechanisms

Analysis of corrosion mechanisms and preventative measures

  Chemical and pharmaceutical science

Write an equation for the formation of an acetal from reaction of excess methanol with benzaldehyde in the presence of an acid catalyst.

  Calculate the approximate sulphur

Calculate the approximate SO 2 mass emission in lb/day.

  What is the structure - stereochemistry

What is the structure (including functional groups)? Stereochemistry (racemic or single enantiomer)?

  Design a qualitative analysis scheme

Design a qualitative analysis scheme

  What will be the resultant pressure

What will be the resultant pressure when the stopcock is opened?

  The 1h nmr spectrum

Integrals for some of the resonances in the 1H NMR spectrum are higher than they should be due to the shear number of hydrogens in this compound

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