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A 0.10 M solution of a weak acid, HX, is 0.059% ionized. Evaluate Ka for the acid.
  • a)
    4.2 x 10-6
  • b)
    3.5 x 10-8
  • c)
    3.8 x 10-9
  • d)
    7.0 x 10-6
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
A 0.10 M solution of a weak acid, HX, is 0.059% ionized. Evaluate Kafo...
Since the acid is only 0.059% ionized, therefore the concentration of ions in solution = 0.1 x 0.059 / 100 = 0.000059

Ka = [H^+] [X–] / [HX] = (0.000059)^2 / 0.1 = 3.5 x 10^-8

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Community Answer
A 0.10 M solution of a weak acid, HX, is 0.059% ionized. Evaluate Kafo...
Since the acid is only 0.059% ionized, therefore the concentration of ions in solution = 0.1 * 0.059 / 100 = 0.000059
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A 0.10 M solution of a weak acid, HX, is 0.059% ionized. Evaluate Kafor the acid.a)4.2 x 10-6b)3.5 x 10-8c)3.8 x 10-9d)7.0 x 10-6Correct answer is option 'B'. Can you explain this answer? for Class 11 2025 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about A 0.10 M solution of a weak acid, HX, is 0.059% ionized. Evaluate Kafor the acid.a)4.2 x 10-6b)3.5 x 10-8c)3.8 x 10-9d)7.0 x 10-6Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 11 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A 0.10 M solution of a weak acid, HX, is 0.059% ionized. Evaluate Kafor the acid.a)4.2 x 10-6b)3.5 x 10-8c)3.8 x 10-9d)7.0 x 10-6Correct answer is option 'B'. Can you explain this answer?.
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