A monoprotic weak acid (HA) has a pKa value of 3.841. Calculate the fraction of HA in each of its forms (HA, A) at pH 5.275. CHA = What is the quotient [A] [HA] 11 [A] at pH 5.275? [HA] αA- =
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![A monoprotic weak acid (HA) has a pK a value of 3.841. Calculate the fraction of HA in each of its forms (HA, A¯) at pH
5.275.
CHA
=
What is the quotient at pH 5.275?
[A]
[HA]
[A]
[HA]
=
αA- =](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Faf8dd5bb-1368-4a10-9929-9294802d0b74%2F0db57997-5d71-436e-89b4-8dad4598fcf9%2Flp3m9l6j_processed.png&w=3840&q=75)
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- Calculate the percentages of dissociated and undissociated forms present in the following solutions: (a) 0.0010 M glycolic acid (HOCH2CO2H; pKa = 3.83) at pH = 4.50 (b) 0.0020 M propanoic acid (pKa = 4.87) at pH = 5.30A monoprotic weak acid (HA) has a pKa value of 4.713. Calculate the fraction of HA in each of its forms (HA, A-) at pH 5.848. aHa= Aa- What is the quotient (a-/ha)= at ph 5.848 ?(b) Calculate the pH of 0.0005 mol dm-3 ethanoic acid when its pKa = 4.75 and explain the assumptions made in the calculations CH3COOH(aq) CH3COO-(aq) + H+(aq) Ka = pH =
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