Explain the first equivalence point was observed at ph

Assignment Help Chemistry

Reference no: EM13314098

In conducting a titration of 75.00mL of a certain triprotic acid with 0.0800 M NaOH the following information was recorded. a. the first equivalence point was observed at pH 3.96 after the addition of 12.4 mL of NaOH b. the Second equivalence point was observed after the addiditon of 25.00 mL of NaOH; the pH was measured to be 4.98 Determine the apparent concentration of the triprotic acid and the dissociation constant for the first two dissociation steps given that pKa3= 5.19

Reference no: EM13314098

Questions Cloud

What conclusions can be reached about the relative strengths : If metallic copper forms on a strip of nickel dipped in 1M CuSO4, what conclusions can be reached about the relative strengths of Ni 2+ (aq) and/vs Cu 2+ (aq) as oxidizers

A price change causes the quantity demanded of a good : A price change causes the quantity demanded of a good to decrease by 30 percent, while the total revenue of that good increases by 15 percent. Is the demand curve elastic or inelastic?

Compute the partial pressures of all species in the system : (b) calculate the moles of each gas before the reaction (c) determine the limiting reactant (d) calculate the moles of ammonia produced (e) calculate the partial pressures of all species in the system (f) the total pressure in the system

How the mechanical properties of aluminum may be improved : Given that the moduli of electricity of this material are respectively 69GPa and 393 GPa plot modulus of elasticity versus the volum percent of Al2O3 in Al from 0 to 100 vol % using both upper and lower bound expressions

Explain the first equivalence point was observed at ph : In conducting a titration of 75.00mL of a certain triprotic acid with 0.0800 M NaOH the following information was recorded. a. the first equivalence point was observed at pH 3.96 after the addition of 12.4 mL of NaOH

Find the equivalent resistance of the combination : Three resistors having resistances of 1.50{\rm \Omega} , 2.30{\rm \Omega}, and 4.70{\rm \Omega} are connected in parallel to a 29.0{\rm V}battery that has negligible internal resistance

What angular speed must such a cylinder have : It has been suggested that rotating cylinders about 9.0 mi long and 4.6 mi in diameter be placed in space and used as colonies. What angular speed must such a cylinder have

Define why do the reactions in nai /acetone go to completion : Explain in some detail-consider solvent, nucleophile, and substrate structure. Provide the appropriate mechanism for the reaction of bromocyclopentane in sodium iodide /acetone. 2. Why do the reactions in NaI /acetone go to completion

Determine what is the largest circle that can be inscribed : What is the largest circle that can be inscribed within a polygon with corner coordinates (600,800), (900, 300), (500, 100), and (100, 40) Find the radius of the largest circle and show how you found it from these coordinates.

User Account

All Pages