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Posted by on Thursday, March 1, 2012 at 6:32pm.

A certain substance has a molar heat of vaporization of 54.2 kJ/mol. How much of the substance is in a sample that requires 80.0 kJ
to vaporize?
Answer in units of mol

  • chemistry - , Thursday, March 1, 2012 at 6:38pm

    54.2 kJ/mol x ?mol = 80.0 kJ.
    Solve for ?mol.

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