At $298\,K$  a $0.1 \,M $ $C{H_3}COOH$ 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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