Answered: What is the molar hydronium ion…

Introduction to Chemical Engineering Thermodynamics

8th Edition

ISBN:9781259696527

Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Chapter1: Introduction

Section: Chapter Questions

Problem 1.1P

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Question

What is the molar hydronium ion concentration in solutions with each of the following pH values?

(a) 1.0	[H₃O⁺] = M
(b) 5.0	[H₃O⁺] = M
(c) 9.0	[H₃O⁺] = M
(d) 12.0	[H₃O⁺] = M

With the help of table below, arrange the following 0.2 M aqueous solutions in order of increasing pH:

Name	Formula	K_a	Percent Ionization
Hydrofluoric acid	HF	6.8×10^-4	2.6
Nitrous acid	HNO₂	4.5×10^-4	2.1

HF, HNO₃, HNO₂, KOH

HNO₃, HF, HNO₂, KOH

HNO₃, HNO₂, HF, KOH

KOH, HNO₃, HF, HNO₂

Classify each of the following salts as a "strong acid-strong base salt," a "strong acid–weak base salt," a "weak acid–strong base salt," or a "weak acid–weak base salt."

KNO₂

weak acid-strong base salt

strong acid-strong base salt

strong acid-weak base salt

weak acid-weak base salt

b	KC₂H₃O₂ weak acid-strong base salt strong acid-strong base salt strong acid-weak base salt weak acid-weak base salt

c	NH₄NO₃ weak acid-strong base salt strong acid-strong base salt strong acid-weak base salt weak acid-weak base salt

d	Ba(NO₃)₂ weak acid-strong base salt strong acid-strong base salt strong acid-weak base salt weak acid-weak base salt

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