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Chemistry · Ionic equilibrium: Weak and strong electrolytes, ionization of electrolytes

A weak mono acidic base is ionized in solution. The hydroxide ion concentration

A weak mono acidic base is \( 5 \% \) ionized in \( 0.01 M \) solution. The hydroxide ion concentration in the solution is:

  • A. \( 5 \times 10^{-2} \)
  • B. \( 5 \times 10^{-4} \)
  • C. \( 5 \times 10^{-10} \)
  • D. \( 2 \times 10^{-11} \)

Step-by-step solution

Since the base is 5% ionized, the hydroxide ion concentration is (5/100) × 0.01 = 5 × 10^{-4} M.
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