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COMEDK2019ChemistryRedox Reactions

0.5 ~g of an acid is neutralised by 40 cc of 0.125 ~N NaOH . The equivalent mass of the acid is

Options

  1. A50
  2. B100
  3. C40
  4. D80

Correct answer

B. 100

Step-by-step solution

Equivalent moles of NaOH = Equivalent moles of acid N₁ V₁= Weight Equivalent mass 40 10⁻³ 0.125= 0.5 Equivalent mass Equivalent mass of acid =100

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