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^-2and PO₄^-3 D) H₂PO₄⁻ and HPO₄⁻² E) H₃PO₄ and HPO₄⁻²

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According to the Henderson-Hasselbalch equation, a phosphate buffer at pH 7.4 consists of equal amounts of H2PO4− and HPO4−2. These are the two primary chemical components present in the buffer.

What Are the Primary Chemical Components Present in a Phosphate