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A solution containing 30 g of non-volatile solute exactly in 90 g of water has a vapour pressure of 2.8 kPa at 298 K. Further, 18 g of water is then added to the solution and the new vapour pressure becomes 2.9 kPa at 298 K. Calculate vapour pressure of water at 298 K.

Options

  1. A3.53 kPa
  2. B6.62 kPa
  3. C9.86 kPa
  4. D12.24 kPa

Correct answer

A. 3.53 kPa

Step-by-step solution

Correct Option is : (A) 3.53 kPa

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