The Blood Buffer Reactions Described by H₂CO₃

question 44

Multiple Choice

The blood buffer reactions described by H₂CO₃
<--------> H⁺ + HCO₃- indicate that

• A)scientists are uncertain which direction the equation flows.
• B)the reaction can flow either direction depending on whether there is too much H⁺ or more H⁺ is needed.
• C)any reaction in one direction causes an immediate reverse reaction.
• D)chemicals can swing wildly from acidic to basic.
• E)the reaction goes back and forth in an unpredictable manner.

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