For the diprotic weak acid H2A, Ka1=2.3×10−6 and Ka2=7.2×10−9. What is the pH of a 0.0400...

Question

Question

For the diprotic weak acid H₂A, Ka1=2.3×10−6 and Ka2=7.2×10−9.

What is the pH of a 0.0400 M solution of H2A?

pH=

What are the equilibrium concentrations of H2A and A2− in this solution?

[H2A]= M

[A2−]= M

science chemistry

Answer 1

Answer #1

H2A H2 HA iniial O change ezuitbvium kai 2 2.3xlb PHlo(Ho) > -log (2.02 x16)3.52 H20 A0 A HA 2 inial OOO0302 OO00 302 change

Answer 2

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