For the diprotic weak acid H2A, Ka1=4.0×10−6 and ?a2=5.9×10−9 What is the pH of a 0.05500.0550...

Question

Question

For the diprotic weak acid H₂A, Ka1=4.0×10−6 and ?a2=5.9×10−9

What is the pH of a 0.05500.0550 M solution of H2A?

pH=

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

[H2A]=

[A2−]=

science chemistry

Answer 1

Answer #1

Given data, Kal = 4x106 kaz=siqx109 (it2A] =0:0550 M. we know that, (H3ot) = √ Kai XHA = 1 urox0.055 = 0.000469 M PH=-10g (+3

Answer 2

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