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  5. Equilibrium / साम्यावस्था

11th Class Chemistry Equilibrium / साम्यावस्था

  • question_answer 1)
      What will be the value of pH of 0.1 mol \[0.1mol\,d{{m}^{3}}C{{H}_{3}}COOH\] (a) 3.4                                   (b) 3.6                                   (c) 3.9                    (d) 3.0

    Answer:

      (a)\[pH=-\log \sqrt{C{{K}_{a}}}\] \[=-\log \sqrt{0.01\times 1.74\times {{10}^{-5}}}=3.37\approx 3.4\]                


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