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Quiz: Interpret formulas
1. The compound SF6 is a colorless, odorless, extremely heavy gas, about 5 times as dense as air. A sample of 100 molecules of SF6 contains
1 S and 6 F6 S and 6 F 600 S and 600 F100 S and 600 F
2. The ratio of carbon to hydrogen in acetic acid, HC2H3O2, is:
3:22:11:22:3none of these
3. The number of hydrogen atoms in 8 molecules of methanol, CH3OH, is
8324none of these324
4. The deadly nerve gas tabun, (CH3)2NP(O)(C2H5O)(CN), was manufactured by the Germans in World War II but never used. A sample containing traces of tabun is found to contain 2.4 x 1019 nitrogen atoms. The maximum number of tabun molecules that the sample could contain is:
4.8 x 10191.2 x 10192.4 x 1019none of these0.9 x 1019
5. The compound SF4 is a corrosive gas that attacks glass. Seven molecules of SF4 contain a total of how many atoms?
35285740
6. How many atoms are in two molecules of blood sugar (C6H12O6)?
4824612none of these
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General Chemistry Online! Quiz: Interpret formulas

Copyright © 1997-2005 by Fred Senese
Comments & questions to fsenese@frostburg.edu
Last Revised 12/14/21.URL: http://antoine.frostburg.edu/chem/senese/101/compounds/interpret-formulas-quiz.shtml