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The hydrogen ion concentration in mol/dm, in a 0.2 M solution of a weak acid HA (Ka = 2 x 10⁻⁵) is close to
Options
(a) 2 x 10⁻⁵
(b) 2 x 10⁻⁴
(c) 2 x 10⁻³
(d) 2 x 10⁻²
Correct Answer:
2 x 10⁻³
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - The rate constant of the reaction A → B is 0.6 ˣ 10⁻³ mol per second.
- Which of the following salts will give highest pH in water
- The most efficient agent for the absorption of SO₃ is
- Which of the following compounds can exist in optically active form
- The concentration of [H⁺] and [OH⁻] of a 0.1 M aqueous solution of 2% ionised
Topics: Equilibrium
(104)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The rate constant of the reaction A → B is 0.6 ˣ 10⁻³ mol per second.
- Which of the following salts will give highest pH in water
- The most efficient agent for the absorption of SO₃ is
- Which of the following compounds can exist in optically active form
- The concentration of [H⁺] and [OH⁻] of a 0.1 M aqueous solution of 2% ionised
Topics: Equilibrium (104)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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Apply (H+ = k (ionisation constant of weak acid)× c(concentration))
Apply (H+ = k (ionisation constant of weak acid)× concentration ))