If 01 Moles of Na₂HPO₄ and 0

question 24

Multiple Choice

If 0.1 moles of Na₂HPO₄ and 0.1 moles of NaH₂PO₄ are mixed in water, what is the resulting pH? The pK_a values for phosphoric acid are 2.1, 7.2, 12.4.

• A) 2.1
• B) 4.65
• C) 7.2
• D) 9.8
• E) 12.4

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