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Diprotic Buffers

9. Polyprotic Acid-Base Equilibria / Diprotic Buffers / Problem 4

Problem 4

Calculate the moles of H₂A in a 0.5 L solution with a concentration of 0.2 M.

A

0.1 moles

B

0.4 moles

C

0.2 moles

D

0.05 moles