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9. Polyprotic Acid-Base Equilibria - 2! 2부

9. Polyprotic Acid-Base Equilibria / Principal Species / 문제 1

문제 1

If an acid has a K_a value of 1.0 x 10^-5, what is its pK_a value?

A

2

B

0.5

C

5

D

10