An acid (HA) dissociates as follows:\[ \text{HA} \rightleftharpoons \text{H}^+ + \text{A}^- \]Arrow should be interpreted as an equilibrium arrow.The pH of the 0.37 M solution of HA is 4.91.What is $[\text{A}^-]?$Express your answer as a decimal, not an exponent.Please include a proper (abbreviated) unit.Your Answer: \[ \underline{\hspace{3cm}} \] Answer \[ \underline{\hspace{3cm}} \] units

Given :- HA <-----> H+ + A- Initial concentration of HA = 0.37 M pH = 4.91 To be…

Answered: An acid (HA) dissociates as follows: HA…

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]?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

An acid (HA) dissociates as follows:

\[ \text{HA} \rightleftharpoons \text{H}^+ + \text{A}^- \]

Arrow should be interpreted as an equilibrium arrow.

The pH of the 0.37 M solution of HA is 4.91.

What is $[\text{A}^-]?$

Express your answer as a decimal, not an exponent.

Please include a proper (abbreviated) unit.

Your Answer:
\[ \underline{\hspace{3cm}} \] Answer
\[ \underline{\hspace{3cm}} \] units

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