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Calculate [H3O + ] for a 2.5 x 10-4 M solution of weak acid (Ka =...

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Chemistry

Calculate [H3O + ] for a 2.5 x 10-4 M solution of weak acid (Ka= 5.3 x 10-4 )

  • A.

    1.4 x 10-4 M

  • B.

    2.1 x 10-4 M

  • C.

    6.2 x 10-4 M

  • D.

    7.3 x 10-4 M

  • E.

    1.9 x 10-4 M

Answer & Explanation Solved by verified expert
4.0 Ratings (475 Votes)
Let us represent weak acid as HA Its dissociation is as shownbelowThe equilibrium constantThe initial    See Answer
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