The hydrogen ion concentration of a $0.006\,M$ benzoic acid solution is $({K_a} = 6 \times {10^{ - 5}})$

  • A

    $0.6 \times {10^{ - 4}}$

  • B

    $6 \times {10^{ - 4}}$

  • C

    $6 \times {10^{ - 5}}$

  • D

    $3.6 \times {10^{ - 4}}$

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