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Ionic Equilibrum question

2007 · Q102
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Ionic Equilibrum question

2007 · Q102

NEETChemistryIonic EquilibrumMCQ+4 / −1
Calculate the pOH of a solution at 25oC that contains 1 ×\times× 10−-−10 M of hydronium ions, i.e. H3O+.
  1. A
    4.000
  2. B
    9.000
  3. C
    1.000
  4. D
    7.000
View written solutionFree

Correct answer: A

Given, [H3O+.] = 1 ×\times× 10−-−10

⇒\Rightarrow⇒ pH = 10

Also we know, pH + pOH = 14

⇒\Rightarrow⇒ pOH = 14 - pH = 14 - 10 = 4

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