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JEE Main & Advanced Chemistry Equilibrium / साम्यावस्था Question Bank Mock Test - Ionic Equilibrium

  • question_answer
    If 50 ml of 0.2 M NaCN is mixed with 50 ml of 0.2 M HCl, then \[({{K}_{b}}\,for\,C{{N}^{-}}=2\times {{10}^{-5}})\]calculate concentration of [\[{{H}_{3}}{{O}^{+}}\]] in terms of molarity \[\times {{10}^{-6}}\].

    Answer:

    7


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