An acid (HA) dissociates as follows: HA → H* + A minus Arrow should be interpreted as an equilibrium arrow. The pH of the 0.37 M solution of HA is 4.91. What is [A minus]?

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Chapter16: Acid-base Equilibria
Section: Chapter Questions
Problem 16.130QP: Malic acid is a weak diprotic organic acid with Ka1 = 4.0 104 and Ka2 = 9.0 105. a Letting the...
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An acid (HA) dissociates as follows:
HA → H* + A minus
Arrow should be interpreted as an equilibrium
arrow.
The pH of the 0.37 M solution of HA is 4.91.
What is [A minus]?
Express your answer as a decimal, not an
exponent.
Please include a proper (abbreviated) unit.
Your Answer:
Answer
units
Transcribed Image Text:An acid (HA) dissociates as follows: HA → H* + A minus Arrow should be interpreted as an equilibrium arrow. The pH of the 0.37 M solution of HA is 4.91. What is [A minus]? Express your answer as a decimal, not an exponent. Please include a proper (abbreviated) unit. Your Answer: Answer units
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