At $298 \, K$,a $0.1 \, M$ $CH_3COOH$ solution is $1.34 \%$ ionized. The ionization constant $K_a$ for acetic acid will be:

  • A
    $1.82 \times 10^{-5}$
  • B
    $18.2 \times 10^{-5}$
  • C
    $0.182 \times 10^{-5}$
  • D
    None of these

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