MadSci Network: Chemistry
Query:

Re: Determining the gram formula mass of a compound????

Date: Fri Mar 23 16:34:06 2001
Posted By: Dan Berger, Faculty Chemistry/Science, Bluffton College
Area of science: Chemistry
ID: 985207740.Ch
Message:

The formula mass of any compound or element is the sum of the atomic masses of the atoms in the formula. For example, the formula mass of CaCl2 is 40.08 (Ca) plus twice 35.45 (Cl), or 110.98; that of Br2 is twice 79.904, or 159.81.

The molar mass of any compound or element is its formula mass in grams, or the "gram formula mass."

Dan Berger

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