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28 October, 07:14

What is the poH of a

4.5 x 10-3 M OH solution?

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Answers (1)
  1. 28 October, 07:43
    0
    Answer: 2.35

    Explanation:

    pOH is the negative logarithm of hydroxide ion concentration in a solution. Mathematically, pOH is expressed as pOH = - log (OH-)

    where (OH-) is the concentration of hydroxide ion.

    So, pOH calculations are as follows

    pOH = - log (4.5 x 10-3 M)

    pOH = - (-2.3468)

    pOH = 2.3468 (The minus signs cancelled out)

    Then, round pOH value to the nearest hundredth: pOH is 2.35

    Thus, the poH of a 4.5 x 10-3 M OH solution is 2.35
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