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A buffer solution contains 0.1 M of acetic acid and 0.1 M of sodium acetate.What will be its pH? (pKa of acetic acid is 4.75)
Options
(a) 5
(b) 4
(c) 5.25
(d) 4.75
Correct Answer:
4.75
Explanation:
Applying the equation:
pH = log {[Salt]/[Acid]} + pKₐ
⇒ here, pH = pKₐ + log 1, pH = 4.75.
Related Questions: - The solubility product of a sparingly soluble salt AX₂ is 3.2 ˣ 10⁻¹¹.
- When 1 mol of gas is heated at constant volume,temperature is raised
- Which of the following processes does not involve oxidation of iron
- The heat of combustion of carbon to CO₂ is -393.5 kJ/mol. The heat released
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Topics: Equilibrium
(104)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The solubility product of a sparingly soluble salt AX₂ is 3.2 ˣ 10⁻¹¹.
- When 1 mol of gas is heated at constant volume,temperature is raised
- Which of the following processes does not involve oxidation of iron
- The heat of combustion of carbon to CO₂ is -393.5 kJ/mol. The heat released
- The basic component of the smog is
Topics: Equilibrium (104)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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