Lesson 2.7: Investigation: Acids and Bases: Summary

Now, summarize your knowledge of this investigation by recording information about some common substances.  

Question 1. Complete the following table.  You may have to refer to pages 2, 3, or 4 of the CD applet.

HCl(aq)

NaOH(aq)

Red Litmus

Red/Blue

 
Red/Blue
Blue Litmus

Red/Blue

Red/Blue

Bromothymol Blue

Blue/Yellow

Blue/Yellow

Phenolphthalein

Clear/Pink

Clear/Pink

Conductivity

Yes/No

Yes/No

pH Reading    
Acid/Base    

.

Check your answers with those that follow.

 

 

 

 

 

 

 

 

 

 

 

 

Answers to Questions:

Question 1:

1.0

HCl(aq)

NaOH(aq)

Red Litmus

Red

Blue
Blue Litmus

Red

Blue

Bromothymol Blue

Yellow

Blue

Phenolphthalein

Clear

Pink

Conductivity

Yes

Yes

pH Reading

13.9
Acid/Base

Acid

Base

 


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