Identify Sr(OH)2(aq)Sr(OH)2(aq) as an acid or a base.Identify  HBr(aq)HBr(aq) as an acid or a base. Identify NaOH(aq)NaOH(aq) as an acid or a base.

Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter3: Chemical Reactions
Section: Chapter Questions
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Identify Sr(OH)2(aq)Sr(OH)2(aq) as an acid or a base.Identify 

HBr(aq)HBr(aq) as an acid or a base.

Identify NaOH(aq)NaOH(aq) as an acid or a base.

 

Expert Solution
Identifying Bases:

According to the Arrhenius concept of acids and bases, a base donates hydroxide (OH-) ion in the water or aqueous medium.

a. Strontium hydroxide is a strong base as it as it completely dissociates and donates hydroxide ions in the aqueous medium.

Sr(OH)2 (aq)  Sr2+ (aq) + OH-(aq)

Here, aq means water (H2O)

 

c. NaOH or sodium hydroxide is a strong base as it completely dissociates and donates OH- ions in the water or aqueous medium.

NaOH (aq)  Na+ (aq) + OH-(aq)

 

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