The ph of blood is 735 it is maintained in part by the


The pH of blood is 7.35. It is maintained in part by the buffer system composed of carbonic acid (H2CO3) and the bicarbonate (hydrogen carbonate, HCO3-) ion. What is the ratio of [bicarbonate]/[carbonic acid] at this pH? For carbonic acid, Ka1 = 4.2 x 10-7.

A) [bicarbonate]/[carbonic acid] = 0.11

D) [bicarbonate]/[carbonic acid] = 9.4

B) [bicarbonate]/[carbonic acid] = 0.38

E) None of the above ratios is correct.

C) [bicarbonate]/[carbonic acid] = 2.65

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Chemistry: The ph of blood is 735 it is maintained in part by the
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