The vapour pressure of acetone at 20^(@)C is 185 torr. When 1.2 g | Filo
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Chemistry

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The vapour pressure of acetone at is 185 torr. When 1.2 g of a non - volatile substance was dissolved in 100 g of acetone at , its vapour pressure was 183 torr. The molar mass of the substance is :

  1. 32
  2. 64
  3. 128
  4. 488
Correct Answer: Option(b)
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