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Chapter 10: Q.10.9 (page 359)

Identify each of the solutions in problem 10.88 as acidic, basic, or neutral.

Short Answer

Expert verified

a. Neutral

b. acidic

c. acidic

d. acidic

Step by step solution

01

Given Information

Acidic solutions are estimated to have lower pH values than basic or alkaline solutions. pH or "potential of hydrogen" is a scale used to specify the acidity or basicity of a fluid solution.

a.OH鈭�=1.0脳10鈭�7Mb.H3O+=4.2脳10鈭�3Mc.H3O+=0.0001Md.OH鈭�=8.5脳10鈭�9M

02

Explanation

A solution is acidic if its pH is less than 7. A solution is basic if its pH is greater than 7. A solution is neutral if its pH is equal to 7.

Hence, applying the above logic the solutions are -

a.OH鈭�=1.0脳10鈭�7Mis Neutral

b.H3O+=4.2脳10鈭�3Mis acidic

c.H3O+=0.0001Mis acidic

d.OH鈭�=8.5脳10鈭�9Mis acidic

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Most popular questions from this chapter

Determine the pH for the follow ing solutions:(10,6)

a.[OH]=1.0脳10-7M

b.H2O'=4.2脳10-3M

c.H2O+=0.0001M

d.[OH]=8.5脳10-9M

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)

Complete the following table-

Write the formula for the conjugate base for each of the following acids:

a.HCO3

b.CH3NH3+

c.HPO42-

d.HNO2

What is the meaning and value of Kw ?
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