Part 1-pH of Solutions of Salts:In this part you will measure the pH values for 0.1 M solutions of the following solutes.Sodium acetateAmmonium chlorideSodium fluorideMethylammonium chlorideSodium bicarbonateCopper(II) sulfateIron(III) nitrateFor each solution, place the solution into a small beaker. Rinse and blot the pH electrode,place the pH electrode into the solution, and read the pH by moving the knob on theconsole to pH. Then return the knob to Standby before moving the electrode out of thesolution for rinsing. Record the pH for each solution on your data sheet and thendetermine the ion that influences the pH and the equilibrium involved. Finally calculatethe equilibrium constant based on the pH value you measured. solutionNaC2H302 7.246.28NH4CINaFmeasure pH which ion hydrolyzed? calculate Ka or Kb7.5NaHCO3 8.9CH3NH3CI 6.83.85Fe(NO3)3 1.96CuSO4

The question is based on the concept of salt hydrolysis. we need to calculate acid or base…

Answered: solution NaC2H302 7.24 NH4CI measure pH…

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solution NaC2H302 7.24 NH4CI measure pH which ion hydrolyzed? calculate Ka or Kb NaF 6.28 7.5

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter12: Chemical Equilibrium

Section: Chapter Questions

Problem 12.DCP

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Question

Part 1-pH of Solutions of Salts:
In this part you will measure the pH values for 0.1 M solutions of the following solutes.
Sodium acetate
Ammonium chloride
Sodium fluoride
Methylammonium chloride
Sodium bicarbonate
Copper(II) sulfate
Iron(III) nitrate
For each solution, place the solution into a small beaker. Rinse and blot the pH electrode,
place the pH electrode into the solution, and read the pH by moving the knob on the
console to pH. Then return the knob to Standby before moving the electrode out of the
solution for rinsing. Record the pH for each solution on your data sheet and then
determine the ion that influences the pH and the equilibrium involved. Finally calculate
the equilibrium constant based on the pH value you measured.

solution
NaC2H302 7.24
6.28
NH4CI
NaF
measure pH which ion hydrolyzed? calculate Ka or Kb
7.5
NaHCO3 8.9
CH3NH3CI 6.8
3.85
Fe(NO3)3 1.96
CuSO4

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