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Weak Acid-Base Equilibria

8. Monoprotic Acid-Base Equilibria / Weak Acid-Base Equilibria / Problem 3

Problem 3

If the pH of a solution is 3.5, what is the concentration of hydronium ions, [H₃O⁺]?

A

3.16 x 10^-4 M

B

2.51 x 10^-4 M

C

5.62 x 10^-4 M

D

1.00 x 10^-3 M