An acid (HA) dissociates as follows: HA ? H+ + Aminus Arrow should be interpreted as an equilibrium arrow. The pH of the 0.31 M solution of HA is 4.49. What is [H+]? Express answer as decimal not exponent.

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Chapter14: Acid-base Equilibria
Section: Chapter Questions
Problem 80E: Novocaine, C13H21O2N2Cl, is the salt of the base procaine and hydrochloric acid. The ionization...
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An acid (HA) dissociates as follows:

HA ? H+ Aminus

Arrow should be interpreted as an equilibrium arrow.

The pH of the 0.31 M solution of HA is 4.49.

What is [H+]?

Express answer as decimal not exponent.

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