LAB REPORT No 5
NAME_______________________________ DATE________________
1. Measuring the pH worth of some compounds.
Resolution
pH by Litmus paper
pH by Hydrion paper
pH by pH meter
Acid, Fundamental or Impartial
1% NH4OH
2% Ethanoic Acid
Distilled water
1% HCl
1% NaOH
2. Buffers.
pH of water
pH of buffer answer
Preliminary
After 5 drops NaOH
After ten drops NaOH
Which answer greatest resists the pH change? Clarify your reply.
Three. Focus of Acetic Acid in Vinegar. Pattern N0______.
Take a look at tube
Variety of NaOH drops
%(m/v) of acetic acid in vinegar
1
2
Three
four
Common proportion of acetic acid in vinegar %(m/v)
Questions:
1. What’s the distinction between a robust acid and a weak acid? Clarify and use examples of every sort of acid.
2. Give examples of:
a- An Acid Buffer (two elements).
b- A Fundamental Buffer (two elements).
Three. Full the desk given bellow:
[H3O+1]
[OH-1]
pH
Acidic, primary or impartial
1.zero x 10-Three
5
Three.zero x 10-6
impartial
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No. 5 LAB REPORT
NAME_______________________________ DATE________________
1. Figuring out the pH of sure substances.
Resolution
Litmus paper pH check
Hydrion paper pH
pH measurement utilizing a pH meter
Impartial, acidic, or primary
One p.c NH4OH
Ethanoic acid at 2%
Water from a distillery
1% hydrochloric acid
NaOH (1%).
2. The buffers.
Water’s pH
buffer answer’s pH
Preliminary
NaOH after 5 drops
Following 10 drops of NaOH
Which answer is essentially the most proof against pH change? Clarify your response.
Three. Focus of Acetic Acid in Vinegar. Pattern N0______.
Take a look at tube
Variety of NaOH drops
%(m/v) of acetic acid in vinegar
1
2
Three
four
Common proportion of acetic acid in vinegar %(m/v)
Questions:
1. What’s the distinction between a robust acid and a weak acid? Clarify and use examples of every sort of
