If the carbonic acid (H2CO3) concentration in a sample of blood is 0.0050 M, determine the bicarbonate ion (HCO3-) concentration required to buffer the pH of the blood at pH = 7.35. Show all calculations including equation(s) used. H2CO3(aq) ⇌ HCO3-(aq) + H+(aq) Ka = 4.3 × 10-7

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