Buffer Solutions with the Component Concentrations Shown Below Were Prepared

question 95

Multiple Choice

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

• A) [H₂PO₄^-] = 0.50 M, [HPO₄^2-] = 0.50 M
• B) [H₂PO₄^-] = 1.0 M, [HPO₄^2-] = 1.0 M
• C) [H₂PO₄^-] = 1.0 M, [HPO₄^2-] = 0.50 M
• D) [H₂PO₄^-] = 0.50 M, [HPO₄^2-] = 1.0 M
• E) [H₂PO₄^-] = 0.75 M, [HPO₄^2-] = 1.0 M

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