Calculate the ph of the buffer solution

Assignment Help Chemistry
Reference no: EM13687106

Question- Formic acid is a weak acid with a pKa of 3.74, it can be combined with its conjugate base the Formante ion (HCOO^1-) to produce a buffer.

Part a) Calculate the pH of the buffer solution porduced by adding 25ml of 0.125M HCOOH to 25mL of 0.110 M HCOONa.

Part b) Calculate the pH after 0.20 mL of 3.00 M HCl is added to the buffer solution in 4a.

Part c) Write a balanced net ionic equation showing the response of this buffer to the addition of HCl, (use H3O^1+) to represent the strong acid.

Show all the steps and provide appropriate answer to the above problem

Reference no: EM13687106

Questions Cloud

Determine the amount of acid or base required to adjust ph : Problem- Determine the amount of acid or base required to adjust the pH of a water sample from 11 to 8.5, given that the initial alkalinity is 80 mg/L as CaCO3.
Calculate the mass of barium chloride : Question- Calculate the mass of barium chloride you need to make a .200 m barium chloride solution with 100.0g of water. Show the computation
Explain what ions calcium chloride will produce : Problem- Assume that the molar freezing point depression constant of water is 1.86C kg/mol and that the freezing point of water is 0.00C
How many ml of each would be needed to prepare : Question- 1) What volume ratio of 0.110 M HCOONa to 0.125 M HCOOH would be needed to prepare a buffer with a pH of 4.00. 2) How many mL of each would be needed to prepare 50 mL of this buffer.
Calculate the ph of the buffer solution : Question- Formic acid is a weak acid with a pKa of 3.74, it can be combined with its conjugate base the Formante ion (HCOO^1-) to produce a buffer. Part a) Calculate the pH of the buffer solution porduced by adding 25ml of 0.125M HCOOH to 25mL of 0..
Forms a semicarbazone melting at 124-126 c : Question- If an unknown forms a silver mirror in the Tollens test, forms a purple color in the Schiff test, produces no precipitate in the iodoform test, has a refractvie index of 1.5250, and forms a semicarbazone melting at 124-126 C, what is its..
What color do you suspect the resulting solution : Question- Suppose you add 18 drops of 0.1 M HCl to 19 drops of 0.1 M NaOH. Phenolphthalein has been added to the HCl. What color do you suspect the resulting solution will be. Why
Write complete balance molecular equation : Write complete balance molecular equation for the following reactions and what type of reaction it is
How many minutes would the same reaction require : Question- If a reaction take 10 minutes to reach completion, how many minutes would the same reaction require if an enzyme that increases the reaction rate one million times were added to the reaction mixture

Reviews

Write a Review

Chemistry Questions & Answers

  A testing facility found that 8351023 molecules of carbon

a testing facility found that 8.351023 molecules of carbon dioxide were produced when a sample of octane was burned in

  Explain what were the concentration levels in m

From an as a stock solution of 0.0169M six diluted solutions were made to these percentages- 0.4%, 1%, 2%, 4%, 6% and 10%. Explain what were the concentration levels in M of these solutions

  Compute what is the percent yield of the synthesis

While 8.8 g of toluene is mixed with 10 g of pure nitric acid, only 9.3 g of trinitrotoluene (TNT) is recovered from the mixture when it is separated from other undesired byproducts. Compute what is the percent yield of the synthesis

  Explain an oxygen atom in the middle with lone pairs

Why can't diethyl ether form Hydrogen Bonds? (compared to 1-butanol). It has an Oxygen atom in the middle with lone pairs of electrons available. Is it because it's non-polar?

  Define molecular formula and completes ionic equations

Write the complete molecular formula and then completes ionic equations. Then write the net ionic equation.

  Explain a gaseous mixture of and contains nitrogen by mass

A gaseous mixture of and contains 39.8 nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 545

  State an overall balanced equation for the reaction

State an overall balanced equation for the reaction that takes place when aqueous nickel (ll) chloride reacts with zinc to make zinc chloride and nickel.

  Explain what is the mass of 25 atoms of carbon-14 in grams

If one atom of carbon-14 weighs 14.0035 atomic mass units and one atomic mass unit is equal to 1.660539*10^-24 grams, what is the mass of 25 atoms of carbon-14 in grams?

  Explain how many moles of naoh is that

how many moles of AlCl3 is that b.) How many moles of NaOH is that c.) Which is your limiting reagent d.) How much (in grams) solid Al(OH)3 is formed e.) What is the concentration of NaCl in the Erlenmeyer flask (total volume = 50.00 mL)

  Explain what is the depth below the surface

what is the depth below the surface at which the concentration is 1016 atoms/cm3 if the surface concentration is maintained at 1018 atoms/cm3? Use D = 2 x 10-12 cm2/s for aluminum diffusing in silicon at 1100?C.

  Explain the gasoline is pure octane of co2 at stp

Assuming the gasoline is pure octane (C8H18), how many liters of CO2 at STP will be produced from the combustion of 1.00 liter of gasoline. (assume the density of gasoline is 0.963 g/ mL).

  Concentrated hydrochloric acid is 38 hcl by weight and has

concentrated hydrochloric acid is 38 hcl by weight and has a density of 1.19 gml. a solution is prepared by measuring

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