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Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692

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BuyFindarrow_forward

Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692
Chapter 13, Problem 42E
Textbook Problem
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Write chemical reactions to show how each antacid ingredient neutralizes excess stomach acid:

a. CaCO 3

b. Al ( OH ) 3

Interpretation Introduction

Interpretation:

The chemical reaction that shows how the given antacid neutralizes the excess stomach acid, is to be written.

Concept Introduction:

Antacids are the substances that neutralize the acidity of the stomach. They work differently from other acids, by reducing the secretion of stomach acids.

Antacids can be in the form of liquid, tablets, or chewable tablets.

These are used to treat indigestion, heartburn, the burning sensation in the chest, and acid reflux in stomach.

Explanation of Solution

a) CaCO3.

The chemical name of this antacid is calcium carbonate. It is used to treat an upset stomach, indigestion and heartburn.

The neutralization reaction is as shown below.

CaCO3+ 2HCl CaCl2+ H2O+ CO2

Calcium carbonate is basic in nature. Therefore, it is able to counter the excess acid in the stomach. It reacts with HCl to form calcium chloride, water, and carbon dioxide. Its neutralization power is very high, as compared to other antacids

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Chapter 13 Solutions

Chemistry In Focus
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