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8. Monoprotic Acid-Base Equilibria - Part 2 of 2

8. Monoprotic Acid-Base Equilibria / Weak Acid-Base Equilibria / Problem 4

Problem 4

For a weak acid HA with an initial concentration of 0.2 M and a K_a of 4.0 x 10^-6, derive the equilibrium concentration of HA.

A

0.198 M

B

0.2 M

C

0.201 M

D

0.199 M