which assumption can't be applied in the calculation of the pH of this solution? (a) that the initial concentration of HOCI is much larger than the total H30* ion concentration (b) that the H3O* ion concentration from the dissociation of water can be ignored. (c) that the total H30* ion concentration is the sum of the concentrations from the dissociation c HOCI and water (d) all of these assumptions are valid (e) none of these assumptions are valid

Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter16: Principles Of Chemical Reactivity: The Chemistry Of Acids And Bases
Section: Chapter Questions
Problem 106GQ: The hydrogen phthalate ion, C8HsO4, is a weak acid with Ka = 3.91 106....
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When 1.0 x 10 5 mole of HOCI (K, = 3.5 x 10 8) is dissolved in pure water and diluted to 1.00 L,
which assumption can't be applied in the calculation of the pH of this solution?
(a) that the initial concentration of HOCI is much larger than the total H30* ion concentration
(b) that the H3O* ion concentration from the dissociation of water can be ignored.
(c) that the total H3o* ion concentration is the sum of the concentrations from the dissociation of
HOCI and water
(d) all of these assumptions are valid
(e) none of these assumptions are valid
O a
Transcribed Image Text:When 1.0 x 10 5 mole of HOCI (K, = 3.5 x 10 8) is dissolved in pure water and diluted to 1.00 L, which assumption can't be applied in the calculation of the pH of this solution? (a) that the initial concentration of HOCI is much larger than the total H30* ion concentration (b) that the H3O* ion concentration from the dissociation of water can be ignored. (c) that the total H3o* ion concentration is the sum of the concentrations from the dissociation of HOCI and water (d) all of these assumptions are valid (e) none of these assumptions are valid O a
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