Coed, independent, PK3-12th grade school in St. Petersburg, Florida.

Determining Molecular Weight

by Daniel Burkett, US Science Teacher
Upper School honors chemistry students have been learning about the behavior of gases. This week the students used the Dumas method to determine the molecular weight of an unknown volatile liquid. By carefully heating the liquid to its boiling point, the resulting vapor's volume, temperature and mass could be determined experimentally. By applying the ideal gas law with these quantities, the molecular weight, a fundamental property of a pure compound, was determined experimentally.

Pictured are Matthew White '23 (left) and Matthew Sheppard '23 (right).

Shorecrest Preparatory School

5101 First Street Northeast
St Petersburg, FL 33703
Phone: (727) 522-2111  |  Fax: (727) 527-4191

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Shorecrest Preparatory School is a private, non-sectarian, coeducational, college preparatory day school for students preschool through high school, located in St. Petersburg, Florida.