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Unformatted text preview: a. the weighted average of all the naturally occurring isotopes of an element b. to get the atomic mass, multiply each isotope’s weight by its percent of occurrence 3. Law of Constant Composition a. All samples of a compound have the same composition i. In a sample of pure carbon, all the atoms will be carbon atoms 4. Law of Multiple Proportions a. XY 2 b. XY 3 c. XY 4 d. Combining different ratios of elements creates different compounds...
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This note was uploaded on 09/28/2008 for the course CHEM 2070 taught by Professor Chirik,p during the Fall '05 term at Cornell University (Engineering School).
- Fall '05