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Chemistry: The Central Science | 13th Edition | ISBN: 9780321910417 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward; Matthew E. Stoltzfus
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Solved: The following diagrams represent aqueous solutions

Chapter , Problem 16.5

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QUESTION:

The following diagrams represent aqueous solutions of three acids, HX, HY, and HZ. The water molecules have been omitted for clarity, and the hydrated proton is represented as H+ rather than H3O+. (a) Which of the acids is a strong acid? Explain. (b) Which acid would have the smallest acid- dissociation constant, Ka? (c) Which solution would have the highest pH? [Sections 16.5 and 16.6] HX HY HZ + + + + + + + + + + + + +

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QUESTION:

The following diagrams represent aqueous solutions of three acids, HX, HY, and HZ. The water molecules have been omitted for clarity, and the hydrated proton is represented as H+ rather than H3O+. (a) Which of the acids is a strong acid? Explain. (b) Which acid would have the smallest acid- dissociation constant, Ka? (c) Which solution would have the highest pH? [Sections 16.5 and 16.6] HX HY HZ + + + + + + + + + + + + +

ANSWER:

Problem 16.5The following diagrams represent aqueous solutions of three acids, HX, HY, and HZ. The watermolecules have been omitted for clarity, and the hydrated proton is represented as H+ ratherthan H3O+. (a) Which of the acids is a strong acid Explain. (b) Which acid would have thesmallest acid- dissociation constant, Ka (c) Which solution would have the highest pH Step-by-step solution Step 1 of 3 (A) HY is a strong acid since it contains large number of dissociated ions compared to HX and HZ.

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