What is the pH after 0.100 mol of NaOH is added to 250.0 mL of 0.300 M H3PO4? For H3PO4, pKa1 = 2.12, pKa2 = 7.21, and pKa3 = 12.38. | Acids and Bases | TheChemSolver

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Question

What is the pH after 0.100 mol of NaOH is added to 250.0 mL of 0.300 M H₃PO4? For H₃PO₄, pKa₁ = 2.12, pKa₂ = 7.21, and pKa₃ = 12.38.

A.

1.82

B.

2.24

C.

6.73

D.

6.91

✓ Correct

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