Problem: What is the ratio of HCO3- to H2 CO3 in an exhausted marathon runner whose blood pH is 7.2?

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FREE Expert Solution

We are asked to find the ratio of HCO3- to H2CO3 in an exhausted marathon runner whose blood pH is 7.2 


Since the solution is a buffer, we can use the Henderson-Hasselbalch Equation to calculate the ratio of

pH = pKa + log conjugate baseweak acid

In the solution, identify the weak acid and the conjugate base. 

Recall from the Bronsted-Lowry definition that an acid is a proton (H+) donor and the base is a proton (H+) acceptor.

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Problem Details

What is the ratio of HCO3- to H2 CO3 in an exhausted marathon runner whose blood pH is 7.2?