What Are the Primary Chemical Components Present in a Phosphate

question 32

Multiple Choice

What are the primary chemical components present in a phosphate buffer at pH 7.4?

• A) H₃PO₄ and PO₄⁻³
• B) H₂PO₄⁻ and PO₄⁻³
• C) HPO₄^-2 and PO₄^-3
• D) H₂PO₄⁻ and HPO₄⁻²
• E) H₃PO₄ and HPO₄⁻²

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