What is the ph of a buffer

Assignment Help Chemistry
Reference no: EM13149110

What is the pH of a buffer that consists of 0.45 M CH3COOH and 0.35 M CH3COONa? Ka = 1.8 × 10-5

Reference no: EM13149110

Questions Cloud

Determine the map distances between these loci : A particular Drosophila female that is wild-type in appearance is known to be heterozygous for the three recessive mutations black body (b), curved wings (c) and purple eyes (p).
What is the ph of the solution : A 20.0-mL sample of 0.25 M HNO3 is titrated with 0.15 M Na OH. What is the pH of the solution after 30.0 mL of NaOH have been added to the acid?
Explain elementary steps that make up the mechanism : Analyzing a new reaction Consider the following elementary steps that make up the mechanism of a certain reaction: 2X -> Y + Z Y + L -> M + Z Part A What is the overall reaction
How would the chromosome of the daughter cells look : Assume that mammalian cells are grown in culture in the prescence of fluorescent nucleotides for several generations so that all of the DNA in all the chromosomes is fluorescent.
What is the ph of a buffer : What is the pH of a buffer that consists of 0.45 M CH3COOH and 0.35 M CH3COONa? Ka = 1.8 × 10-5
What is the average product of capital and labor : what is the average product of capital and labor? what is the cost minimization choice of capital and labor if the firm decides to produce 144 units of output?
What is the ph of the solution : A 50.0-mL sample of 0.50 M HCl is titrated with 0.50 M NaOH. What is the pH of the solution after 28.0 mL of NaOH have been added to the acid?
Motivated by his desire to quickly begin operations : This decision shows that Gene is: more interested in earning high profits than achieving security. motivated by his desire to quickly begin operations with a minimum of effort. not a self-motivated individual. afraid to get int..
What was the unknown substance added : The [H+] of a solution is 1.0 x 10-5 M. After the addition of an unknown substance, the [OH-] was 1.0 x 10-3M. What was the unknown substance added?

Reviews

Write a Review

Chemistry Questions & Answers

  Find percentage contribution to alkalinity from co3

For a solution having .0025 equivalents/liter total alkalinity (contributions from HCO3-, CO3-- and OH- (hydroxide)) at [H+] = 4.69E-11, what is the percentage contribution to alkalinity from CO3--?

  Calculate the ph of the solution

A 20.0-mL sample of 0.800 M HBr solution is titrated with 0.800 M NaOH solution. Calculate the pH of the solution after the following volumes of base have been added.

  Find the hybridization of xenon in lewis resonance structure

Given the following data table of average bond enthalpies, estimate the ΔH^rxn for the reactions 2H2+O2-- 2H2O. What is the hybridization of xenon in each of your Lewis resonance structures?

  Calculate a value for the [tenz2-]

Tenzic acid is a H2Tenz is a diprotic acid with ionization constants Ka1 = 4.1 x 10-4, Ka2 = 1.5 x 10-9. Calculate a value for the [Tenz2-] in a 0.500 molar solution of H2Tenz.

  Determine volume of the gas at a pressure of a temperature

Using a sample of CO 2 occupies a 2.54dm^3 container at STP. Determine the volume of the gas at a pressure of a temperature of 26.0 degree Celsius and 150.0 kPa?

  What was the final temperature of the gold

A 4.10 g nugget of pure gold absorbed 274 J of heat. What was the final temperature of the gold if the initial temperature was 27.0°C? The specific heat of gold is 0.129 J/(g·°C).

  Determine the molarity of ethanol

An aqueous solution is six percent by mass methanol,, and has a density = 0.988 g/mL. Determine the molarity of ethanol in the solution.

  Calculate the number of 222rn isotopes

A 12 m 11 m 3.0 m basement had a high radon content. On the day the basement was sealed off from its surroundings so that no exchange of air could take place.

  Define exspanision of the glass is negligible

A glass bottle of normal capacity 250 cm^(3) is filled brim full of water at 20 degrees Celsius. If the bottle and contents are heated at 50 degrees Celsius, how much water spills over?

  How many quarts can be produced

If the density of ethyl alcohol is 0.789 g/ml, how many quarts can be produced by the fermentation of 100.0 lbof sugar?

  What is the molarity of hydrogen ion

If 0.088 moles of sulfuric acid is mixed with water to make 411 mililiter of solution, what is the molarity of H+.

  Find out the amount of energy released

Find out the amount of energy released by this process of  fission of a single U 235 atom and expree your answer in joules?

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