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Chapter 10: Q.10.68 (page 355)

Write the balanced chemical equation for the neutralization reaction of stomach acid HCL with Al(OH)3, an ingredient in some antacids.

Short Answer

Expert verified

3HCl(aq)+Al(OH)3(s)鈫�AlCl3(aq)+3H2O(l)

Step by step solution

01

Given Information

The representation of a chemical reaction in the type of substance is known as a chemical equation. The equation in which the quantity of iotas of the relative multitude of atoms is equivalent on the two sides of the equation is known as a decent chemical equation.

02

Explanation

We know,

HCL is a monobasic acid and AlOH3)is tribasic base.

One mole of AlOH3)will neutralize three moles of HCL.

Hence the balanced chemical equation is,

3HCl(aq)+Al(OH)3(s)鈫�AlCl3(aq)+3H2O(l)

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Most popular questions from this chapter

Consider the buffer system of nitrous acid, HNO2, and its salt, NaNO2.

HNO2(aq)+H2O(l)鈬�H3O+(aq)+NO2-(aq)

a. The purpose of this buffer system is to:

1. maintain HNO2

2. maintain NO2-

3. maintain pH

b. The weak acid is needed to:

1. provide the conjugate base

2. neutralize added OH-

3. provide the conjugate acid

c. If H3O+is added, it is neutralized by:

1. the salt

2. H2O

3. OH-

d. When OH-is added, the equilibrium shifts in the direction of the:

1. reactants

2. products

3. does not change

The daily output of stomach acid (gastric juice) is 1000 ml to 2000ml. Prior to a meal, stomach acid (HCl) typically has a pH of 1.42.

a. What is the H3O+of stomach acid?

b. One chewable tablet of the antacid Maalox contains 600mg ofCaCO3Write the neutralization equation and calculate the milliliters of stomach acid neutralized by 2 tablets of Maalox.

c. The antacid milk of magnesia contains 400 mg per teaspoon. Write the neutralization equation, and calculate the number of milliliters of stomach acid neutralized by 1 tablespoon of milk of magnesia ( 1 tablespoon =3 teaspoons).

Consider the buffer system of hydrofluoric acid, HF, and its salt, NaF .

HF(aq)+H2O(l)鈬�H3O+(aq)+F-(aq)

a. The purpose of this buffer system is to:

1. maintain [HF]

2. maintain F-

3. maintain pH

b. The salt of the weak acid is needed to:

1. provide the conjugate base

2. neutralize added H3O+

3. provide the conjugate acid

c. If OH-is added, it is neutralized by:

1. the salt

2. H2O

3. H3O+

d. WhenH3O+is added, the equilibrium shifts in the direction of the:

1. reactants

2. products

3. does not change

Use Le Ch芒telier's principle to predict if each of the following changes causes the system to shift in the direction of products or reactants:

H2S(aq)+H2O(l)鈬�H3O+(aq)+HS鈭�(aq)

a. adding more H2S(aq)

b. removing some HS鈭�(aq)

c. adding more H3O+(aq)

d. removing someH2S(aq)

Write formulas for each of the following acids and bases:

a. barium hydroxide

b. hydroiodic acid

c. bromic acid

d. strontium hydroxide

e. acetic acid

f. hypochlorous acid
See all solutions

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