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Question 16. A volume of 200.0 mL of a carbonic acid buffer for blood plasma is...

Question 16. A volume of 200.0 mL of a carbonic acid buffer for blood plasma is prepared that contains 0.403 g of NaHCO3 and 0.0149 g of H2CO3. At body temperature (37°C), the Ka of carbonic acid is 7.9 X 10-7.

H2CO3(aq) + H2O(l) ↔ HCO3—(aq) + H3O+(aq)

a. What is the [H2CO3]?

b. What is the [H3O+]?

c. What is the pH of the buffer?

d. Write a balanced chemical equation that shows how this buffer neutralizes added base.

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queen_honey_blossom answered 2 years ago
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