What is produced in each and every reaction of an acid with


Please note here if BTB or any of the other starting materials is other than a clear, colorless solution:

Table 1

In columns 2 and 3 record the color and intensity you see.

 

 

Well #

 

 

Substance

 

1Drop

BTB

 

Add 1 Drop

of Substance

 

Acid or Base?

 

Ionic?

Y/N

 

Species Acting as Acid or Base

1

NaHCO3

 

 

 

Y

HCO3-

2

CH3COOH

 

 

 

 

 

3

HCL

 

 

 

 

 

4

Na2CO3

 

 

 

 

 

5

H2SO4

 

 

 

 

 

6

CH3COONa

 

 

 

 

 

7

NaOH

 

 

 

 

 

8

HNO3

 

 

 

 

 

9

NaHSO4

 

 

 

 

 

10

NH3

 

 

 

 

 

11

H3PO4

 

 

 

 

 

12

NaH2PO4

 

 

 

 

 

13

Na2HPO4

 

 

 

 

 

14

Na3PO4

 

 

 

 

 

15

NaHSO3

 

 

 

 

 

Table 2: Following Acid/Base neutralization reactions

Please note here if BPB or any of the other starting materials is other than a clear, colorless solution:

Well #

1 Drop of Each

Observation

+2 Drops Acid

Observation

+2 Drops Base

Observation

1

BPB + NaOH

 

HCl

 

NaOH

 

2

BPB + NaOH

 

H2SO4

 

NaOH

 

3

BPB + NaOH

 

CH3COOH

 

NaOH

 

4

BPB + NaOH

 

H3PO4

 

NaOH

 

5

BPB + Ca(OH)2

 

HCl

 

Ca(OH)2

 

6

BPB + Ca(OH)2

 

H2SO4

 

Ca(OH)2

 

7

BPB + Ca(OH)2

 

CH3COOH

 

Ca(OH)2

 

8

BPB + Ca(OH)2

 

H3PO4

 

Ca(OH)2

 

9

BPB + NH3

 

HCl

 

NH3

 

10

BPB + NH3

 

H2SO4

 

NH3

 

11

BPB + NH3

 

CH3COOH

 

NH3

 

12

BPB + NH3

 

H3PO4

 

NH3

 

Data Table 3: Investigating Odor as a Means of Indicating Neutralization.

Substance(s)

Odor

2 Drops of HCl in Well #1

 

1 Drop of Ammonia on Swab

 

Swab with Ammonia & HCl

 

Data Table 4:Investigating Evaporation as a Means of Indicating a Neutralization Reaction. 

Reaction Mixture

Observation (When Wet)

Observation (When Dry)

HCl + NaOH

 

 

CH3COOH + NH3

 

 

HNO3 + NaOH

 

 

1. Use BTB to classify four household products as acidic or basic.  Possible substances to test include home cleaning products, glass cleaner, liquid detergent, bleach, soft drinks, liquid from food items, etc.  Remember to:

  1. State a hypothesis or purpose.
  2. State the testing method.
  3. Organize data in a concise table. 
  4. Read the label for each product, and list in the data table what may be the acid or base in the product.
  5. State conclusions in terms of the hypothesis or purpose.

2. Find one common, highly colored substance that can be used as an acid-base indicator.   Possible substances include fruit/vegetable juice or products, inks, food coloring, flower petals, etc.  If using fresh fruit, veggies, or flowers, crush the substance with a little water or rubbing alcohol to extract the colored pigments.  If red cabbage is available, it makes a superb acid-base indicator.  Then use a few drops of the colored extract as the indicator.  Test four more household products using the freshly made acid-base indicator.  Remember to:

  1. State a hypothesis or purpose.
  2. State the testing method.
  3. Use the prepared indicator to test four substances known to be acids or bases from either the LabPaq or home materials and record results. 
  4. State conclusions in terms of the hypothesis or purpose.

What is produced in each and every reaction of an acid with water and what is produced in each and every reaction of a base with water?

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Chemistry: What is produced in each and every reaction of an acid with
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