Which of the following will most effectively resist a change in pH when 5 drops
ID: 823562 • Letter: W
Question
Which of the following will most effectively resist a change in pH when 5 drops of 0.1 M NaOH are added to it?
Which of the following will most effectively resist a change in pH when 5 drops of 0.1 M NaOH are added to it?
a solution that is 0.1 M acetic acid and 0.1 M sodium acetate
0.01 M acetic acid
deionized water
a solution that is 0.01 M acetic acid and 0.01 M sodium acetate
a solution that is 0.1 M acetic acid and 0.1 M sodium acetate
0.01 M acetic acid
deionized water
a solution that is 0.01 M acetic acid and 0.01 M sodium acetate
Explanation / Answer
Answer will be a solution that is 0.1 M acetic acid and 0.1 M sodium acetate (option A)
bec it is a buffer solution (Acidic buffer)
so when NaOH is added
OH- react with H+(from acid) to give H2O
Small amout of NaOH is added so pH will remain consant.
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