Determine the PH of a Solution Prepared by Mixing the Following

question 86

Multiple Choice

Determine the pH of a solution prepared by mixing the following: 25.0 mL of 0.200 M HCl
75) 0 mL of 0.100 M NaOH
50) 0 mL of 0.200 M NaH₂PO₄
For H₃PO₄ K_a1 = 7.5  10^-3, K_a2 = 6.2  10^-8, and K_a3 = 4.8  10^-13.

• A) 6.73
• B) 5.18
• C) 1.65
• D) 4.32
• E) 4.25

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