Calculate the PH of a Solution Formed by Mixing 250

question 79

Multiple Choice

Calculate the pH of a solution formed by mixing 250.0 mL of 0.15 mol L^-1 HCOOH with 100.0 mL of 0.20 mol L^-1 HCOOLi. The K_a for HCHO₂ is 1.8 × 10^-4.

• A) 3.87
• B) 3.74
• C) 10.53
• D) 3.47
• E) 10.13

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