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Question
Potassium hydrogen phthalate (molar mass = 204.2 g/mol)is one of the most commonly used acids for standardizing solutions containing bases. KHP is a monoprotic weak acid with Ka= 3.91 10-6. Calculate the pH of the solution that results when 0. 50 g of KHP is dissolved in enough water to produce 25.0 mL of solution.A) 2.05
B) 3. 21
C) 4. 40
D) 5.41
Answer
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