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Quiz: Interpret formulas
1. Phenylmercuric borate, (C6H5Hg)2HBO3, was once used as a mildewproofing agent. A wood sample sprayed with 4.8 x 1018 molecules of phenylmercuric borate could contain how many mercury atoms?
9.6 x 1018none of these4.8 x 10182.4 x 10182
2. Realgar, As2S2, is a soft red-orange mineral that was once used in colored fireworks. An explosion that releases a million atoms of arsenic could contain how many molecules of realgar?
5 x 1052 x 1062 x 1051 x 1061 x 105
3. The total number of atoms in 10 molecules of CO2 is:
3301020none of these
4. 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
100 S and 600 F1 S and 6 F 600 S and 600 F6 S and 6 F
5. The structures of the male and female sex hormones testosterone (C19H28O2) and estradiol (C18H24O2) are remarkably similar considering their profoundly different effects. Three molecules of testosterone contains how many more carbon atoms than three molecules of estradiol?
31254151none of these
6. Stearic acid, CH3(CH2)16CO2H, is the most common fatty acid occurring in animal and vegetable fats. How many hydrogen atoms does one molecule of stearic acid contain?
none of these3536632
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General Chemistry Online! Quiz: Interpret formulas

Copyright © 1997-2005 by Fred Senese
Comments & questions to fsenese@frostburg.edu
Last Revised 06/11/07.URL: http://antoine.frostburg.edu/chem/senese/101/compounds/interpret-formulas-quiz.shtml