Consider an aqueous solution of HF. The molar heat of formation for aqueous HF is 2320.1 kJ/mol. (a) What is the pH of a 0.100 M solution of HF at 100°C? (b) Compare with the pH of a 0.100 M solution of HF at 25°C.

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter15: Acid–base Equilibria
Section: Chapter Questions
Problem 82AP
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Consider an aqueous solution of HF. The molar heat of
formation for aqueous HF is 2320.1 kJ/mol.
(a) What is the pH of a 0.100 M solution of HF at
100°C?
(b) Compare with the pH of a 0.100 M solution of HF
at 25°C.

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