Values of K, for Some Common Weak Bases Conjugate Acid Name Formula 1.8 × 10-5 4.38 × 10-4 5.6 × 10-4 3.8 x 10-10 1.7 x 10-9 Ammonia Methylamine Ethylamine Aniline NH3 CH;NH2 CH;NH2 CH;NH2 C;H;N NH,+ CH;NH;+ CH5NH;* CH;NH;* C;H;NH* Pyridine 2/4. Compute for pKb (round-off to 2 decimal places).

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Chapter16: Acids And Bases
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Problem 19QAP: . How is the strength of an acid related to the fact that a competition for protons exists in...
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Using the table of the weak base below, you have chosen Ammonia 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 0.65 M in this salt. The desired pH of the buffer should be equal to 8.8. 

Values of K, for Some Common Weak Bases
Conjugate
Acid
Name
Formula
1.8 x 10-5
4.38 x 10-4
5.6 x 10-4
3.8 x 10-10
1.7 x 10-9
Ammonia
Methylamine
Ethylamine
Aniline
Pyridine
NH3
CH;NH2
CH;NH2
C,H;NH2
C;H;N
NH,+
CH;NH3*
CH;NH3*
CH;NH3+
C;H;NH*
2/4.
Compute for pKb (round-off to 2 decimal places).
Transcribed Image Text:Values of K, for Some Common Weak Bases Conjugate Acid Name Formula 1.8 x 10-5 4.38 x 10-4 5.6 x 10-4 3.8 x 10-10 1.7 x 10-9 Ammonia Methylamine Ethylamine Aniline Pyridine NH3 CH;NH2 CH;NH2 C,H;NH2 C;H;N NH,+ CH;NH3* CH;NH3* CH;NH3+ C;H;NH* 2/4. Compute for pKb (round-off to 2 decimal places).
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