9 9 (a) Define and write the expression of Kw for the dissociation of water (H2O).Kw is theofKw =(b) Calculate the pH of 0.1mol dm³ potassium hydroxide (KOH(aq)pH

The pH of a solution is used to determine the acidity or alkalinity of a solution. The pH is given…

Answered: 9 (a) Define and write the expression…

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter17: Principles Of Chemical Reactivity: Other Aspects Of Aqueous Equilibria

Section17.6: Equilibria Involving Complex Ions

Problem 2.1ACP: Phosphate ions are abundant in cells, both as the ions themselves and as important substituents on...

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9 (a) Define and write the expression of Kw for the dissociation of water (H2O).
Kw is the
of
Kw =
(b) Calculate the pH of 0.1mol dm³ potassium hydroxide (KOH(aq)
pH

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1.4

4 (a) Calculate the value of Kc for the reaction:

PCl_{5 (g)} PCl₃ _(g) + Cl₂ _(g) ΔH = Positive

Given that when 8.4 mol of PCl₅ _(g) is mixed with 1.8 mol of PCl₃ _(g) and allowed to come to equilibrium in a 10 dm³container the amount of PCl₅ _(g) at equilibrium is 7.2 mol.

Kc =

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