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Calculate the mass of a non-volatile solute (molar mass 40 g mol –1 ) which should be dissolved in 114 g octane to reduce its vapour pressure to 80%.

Options

  1. A36 g
  2. B57 g
  3. C10 g
  4. D44 g

Correct answer

C. 10 g

Step-by-step solution

Correct Option is : (C) 10 g

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