Chemistry II AP Core Labs

   Lab 7 - Molar Mass of a Volatile Liquid

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Purpose:
To introduce the ideas of molar volume and gram molecular weight.

Summary:
Students use the Dumas method to determine the molar mass of an unknown volatile liquid.

Objectives Links:
Process Skills Checklist

Materials:

  • 125 mL Erlenmeyer flask
  • aluminum foil
  • volatile liquid
  • analytical balance

Safety Concerns:
General lab safety procedures.

Revision Date:
Summer 2001
ISD 30 Science Dept. Bartlesville Independent School District 30
Science Department

Chemistry II AP Curriculum