MCQ
A solution containing $30g $ of non $-$ volatile solute exactly in $90g$ of water has a vapour pressure of $2.8kPa$ at $298K$. Further $18g$ of water is then added to the solution and the new vapour pressure becomes $2.9kPa$ at $298k$ Calculate vapour pressure of water at $298K\ ?$
  • A
    $4.53kPa$
  • $3.53kPa$
  • C
    $5.53kPa$
  • D
    $5.55kPa$

Answer

Correct option: B.
$3.53kPa$

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