$pH$ of a soft drink is $3.6$. Calculate the concentration of hydrogen ions in it.

  • A
    $2.51 \times 10^{-4} \ M$
  • B
    $2.3 \times 10^{-3} \ M$
  • C
    $2.0 \times 10^{-3} \ M$
  • D
    $2.81 \times 10^{-4} \ M$

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