You have 100ml of a solution of 4M Acetic Acid (CH3COOH). Use your understanding of
the above-mentioned dilution strategies to prepare any three working solutions of your
preference. Explain your answers.
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Answer:
CH
3
COOH+NaOH⟶CH
3
COONa+H
2
O
100mL,0.4M 100mL,0.2M
40 20
After reaction,
[CH
3
COOH]=
200
20
,[CH
3
COONa]=
200
20
pH=pK
a
+log
[acid]
[salt]
pH=pK
a
[H
+
]=K
a
=1.8×10
−5
see attachment if u don't understand what's written
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