Extra-Credit: The pH of the salt of a weak acid A nitrous solution, (HNO2, K, = 4.60x10-), is titrated with NaOH to reach the equivalence point making an aqueous sodium nitrite (NaNO2) solution %3D Write out the net ionic equation for the neutralization of nitrous acid (HNO2) with hydroxide (OH) showing all appropriate phases and charges if any After the titration we are left with sodium acetate and water. Write out the net ionic hydrolysis reaction for the nitrite ([NO,]) with water including all phases ([aq),(1) etc) and charges NOz (aq) + H200 Calculate the numerical value for equilibrium constant K, for the above hydrolysis reaction (Assume Kw = 10-14) %3D If the sodium nitrite (NaNO,), solution is 0.50M at the equivalence point, what is the pH of the solution at the equivalence point? [OH]q = %3D %3D The pH at the equivalence point pH = Is the resultant solution acidic, neutral or basic at the equivalence point?

Extra-Credit: The pH of the salt of a weak acid A nitrous solution, (HNO2, K, = 4.60x10-), is titrated with NaOH to reach the equivalence point making an aqueous sodium nitrite (NaNO2) solution %3D Write out the net ionic equation for the neutralization of nitrous acid (HNO2) with hydroxide (OH) showing all appropriate phases and charges if any After the titration we are left with sodium acetate and water. Write out the net ionic hydrolysis reaction for the nitrite ([NO,]) with water including all phases ([aq),(1) etc) and charges NOz (aq) + H200 Calculate the numerical value for equilibrium constant K, for the above hydrolysis reaction (Assume Kw = 10-14) %3D If the sodium nitrite (NaNO,), solution is 0.50M at the equivalence point, what is the pH of the solution at the equivalence point? [OH]q = %3D %3D The pH at the equivalence point pH = Is the resultant solution acidic, neutral or basic at the equivalence point?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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