A Buffer Is Used to Maintain the PH of Human

question 20

Multiple Choice

A buffer is used to maintain the pH of human blood a at ~ 7.4 hich acid/base pair buffers the blood?

• A) H₂O/ HO-
• B) H₃O+ /H₂O
• C)H₂CO₃/HCO₃^-
• D) NH₄⁺ /NH₃
• E) HCl/Cl^-

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