Buffer Solutions with the Component Concentrations Shown Below Were Prepared

question 69

Multiple Choice

Buffer solutions with the component concentrations shown below were prepared. Which of them should have the highest pH?

• A)[H ₂PO ₄ ⁻] = 0.50 M, [HPO ₄ ²⁻] = 0.50 M
• B)[H ₂PO ₄ ⁻] = 1.0 M, [HPO ₄ ²⁻] = 1.0 M
• C)[H₂PO₄⁻] = 1.0 M, [HPO₄²⁻] = 0.50 M
• D)[H₂PO₄⁻] = 0.50 M, [HPO₄²⁻] = 1.0 M
• E)[H ₂PO ₄ ⁻] = 0.75 M, [HPO ₄ ²⁻] = 1.0 M

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