Using the table of the weak base below, you have chosen Aniline as your weak base in the buffer solution. You have already added enough of the conjugate acid salt to make the buffer solution concentration at 0.71 M in this salt. The desired pH of the buffer should be equal to 3.8. Values of Kp for Some Common Weak Bases Conjugate Acid Name Formula 1.8 x 10-5 4.38 x 10-4 NH3 CH;NH2 CH;NH2 CH;NH2 C;H;N Ammonia Methylamine Ethylamine Aniline Pyridine NH,+ CH;NH3* CH;NH;* CH;NH;* C;H;NH+ 5.6 x 10-4 3.8 x 10-10 1.7 x 10-9 1. Compute the pOH of the buffer solution. (Write your answer in 1 decimal place).

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Using the table of the weak base below, you have chosen Aniline as your weak base
in the buffer solution. You have already added enough of the conjugate acid salt to
make the buffer solution concentration at 0.71 M in this salt. The desired pH of the
buffer should be equal to 3.8.
Values of K, for Some Common Weak Bases
Conjugate
Acid
Name
Formula
NH,+
CH;NH;*
CH;NH;*
CH;NH;*
C;H;NH+
1.8 x 10-5
4.38 × 10-4
5.6 x 10-4
3.8 x 10-10
1.7 x 10-9
Ammonia
Methylamine
Ethylamine
Aniline
NH3
CH;NH2
CH;NH2
C̟H;NH2
C;H;N
Pyridine
1. Compute the pOH of the buffer solution. (Write your answer in 1 decimal place).
Transcribed Image Text:Using the table of the weak base below, you have chosen Aniline as your weak base in the buffer solution. You have already added enough of the conjugate acid salt to make the buffer solution concentration at 0.71 M in this salt. The desired pH of the buffer should be equal to 3.8. Values of K, for Some Common Weak Bases Conjugate Acid Name Formula NH,+ CH;NH;* CH;NH;* CH;NH;* C;H;NH+ 1.8 x 10-5 4.38 × 10-4 5.6 x 10-4 3.8 x 10-10 1.7 x 10-9 Ammonia Methylamine Ethylamine Aniline NH3 CH;NH2 CH;NH2 C̟H;NH2 C;H;N Pyridine 1. Compute the pOH of the buffer solution. (Write your answer in 1 decimal place).
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