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

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