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Answer: Identify each substance as an acid or a base and write a chemical equation

Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro ISBN: 9780321910295 34

Solution for problem 29P Chapter 14

Introductory Chemistry | 5th Edition

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Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro

Introductory Chemistry | 5th Edition

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1
Problem 29P

Identify each substance as an acid or a base and write a chemical equation showing how it is an acid or a base according to the Arrhenius definition.

(a) H2SO4(aq)

(b) Sr(OH)2(aq)

(c) HBr(aq)

(d) NaOH(aq)

Step-by-Step Solution:
Step 1 of 3

Problem 29P

Identify each substance as an acid or a base and write a chemical equation showing how it is an acid or a base according to the Arrhenius definition.

(a) H2SO4(aq)

(b) Sr(OH)2(aq)

(c) HBr(aq)

(d) NaOH(aq)

Solution: Here, we are going to identify the given substances as an acid or base.

Step1:

According to Arrhenius, acids are substances that dissociated in water to give hydrogen ions (H+) and bases are substances that produce hydroxyl ions (OH-).

Step2:

  1. H2SO4 is an Arrhenius acid.

The ionization of H2SO4 can be represented by the following equation:

H2SO4(aq) → 2H+(aq) + SO42-(aq)

As H2SO4 gives hydrogen ion in aqueous solution, it is an Arrhenius acid.

    b)        Sr(OH)2 is an Arrhenius base.

The ionization of Sr(OH)2 can be represented by the following equation:

Sr(OH)2(aq) → Sr2+(aq) + 2OH-(aq)

As Sr(OH)2 gives hydroxyl ion in aqueous solution, it is an Arrhenius base.

    c)        HBr is an Arrhenius acid.

The ionization of HBr can be represented by the following equation:

HBr(aq) → H+(aq) + Br-(aq)

As HBr gives hydrogen ion in aqueous solution, it is an Arrhenius acid.

    d)        NaOH is an Arrhenius base.

The ionization of NaOH can be represented by the following equation:

NaOH(aq) → Na+(aq) + OH-(aq)

As NaOH gives hydroxyl ion in aqueous solution, it is an Arrhenius base.

                                ------------------------------------------------------------

Step 2 of 3

Chapter 14, Problem 29P is Solved
Step 3 of 3

Textbook: Introductory Chemistry
Edition: 5
Author: Nivaldo J Tro
ISBN: 9780321910295

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Answer: Identify each substance as an acid or a base and write a chemical equation