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COMEDK2019ChemistryIonic Equilibrium

5 ~L of NaOH solution of pH 12 contains

Options

  1. A200 ~g
  2. B0.2 ~g
  3. C20 ~g
  4. D2 ~g

Correct answer

D. 2 ~g

Step-by-step solution

M₁=5 ~L and pH =12 pOH =14- pH =14-12=2 [ OH ]=10^ - pOH =10⁻² Mass of NaOH = moles molar mass

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