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Chapter 10: Q. 10.41 (page 346)

Complete the following table:

Short Answer

Expert verified

i) The pH value is greater than 7.0and is basic

ii) The ion value [OH-]is determined as 3.09脳10-11M

iii) The pH value is lesser than7and is acidic

Step by step solution

01

Introduction 

The given is the table with components

The objective is to complete the table

02

Explanation 

(i)

[OH-]=1.0脳10-6M[H3O+]=[H3O+]=[H3O+]=1.0脳10-8MpH=-log[H3O+]pH=-log[1.0脳10-8]=8pH>7.0so,basic
03

Explanation 

(ii)

pH=3.49<7.0so,Acidic[H3O+]=10-pH[H3O+]=10-3.49=3.236脳10-4M[OH-]=[OH-]==3.09脳10-11M
04

Explanation 

(iii)

[H3O+]=2.8脳10-5M[OH-]=[OH-]=[OH-]=3.571脳10-10MpH=-log[H3O+]pH=-log[2.8脳10-5]=4.55pH<7.0so,Acidic

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Most popular questions from this chapter

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

If a base is added to pure water, why does the H3O+decrease?

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

HNO2(aq)+H2O(l)鈬�NO2-(aq)+H3O+(aq)

a. adding moreHNO2(aq)

b. removing someNO2-(aq)

c. adding more H3O+(aq)

d. removing some HNO2(aq)

Identify each of the following as an acid or a base; (10.1)

A. Sr(OH)2Sr(OH)2

B. H2SO3

C.HC2H3O2

D.CsOH

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)
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