Enthalpy of vaporization from the heat needed to vaporize a given mass of a liquid

1. A.
   $43.5\text{ }kJ{\text{ }mol}^{- 1}$
2. B.
   $35.3\text{ }kJ{\text{ }mol}^{- 1}$
3. C.
   $30.6\text{ }kJ{\text{ }mol}^{- 1}$
4. D.
   $40.7\text{ }kJ{\text{ }mol}^{- 1}$

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1. A.
   $21.7\text{ }kJ{\text{ }mol}^{- 1}$
2. B.
   $47.2\text{ }kJ{\text{ }mol}^{- 1}$
3. C.
   $65.1\text{ }kJ{\text{ }mol}^{- 1}$
4. D.
   $39.0\text{ }kJ{\text{ }mol}^{- 1}$

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1. A.
   $8\text{ }kJ{\text{ }mol}^{- 1}$
2. B.
   $40\text{ }kJ{\text{ }mol}^{- 1}$
3. C.
   $18\text{ }kJ{\text{ }mol}^{- 1}$
4. D.
   $32\text{ }kJ{\text{ }mol}^{- 1}$

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1. A.
   $17.64$ kJ/mol
2. B.
   $35.28$ kJ/mol
3. C.
   $52.92$ kJ/mol
4. D.
   $70.56$ kJ/mol

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