CHEM Chal #2

CHEM Chal #2 - 2) Aluminium is used in airplanes for its...

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Chem 125H challenge problems
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Chapter 2: due September 14, 2010 1)Tungsten (W) and chlorine form several binary compounds. Analysis gives the following results: Show law of multiple proportions holds for this series If the compounds contain only 1 tungsten atom, what are the formulas for the four compounds?
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Unformatted text preview: 2) Aluminium is used in airplanes for its lightness and high resistance to corrosion. Compute the number of moles and number of atoms in 10.0 g of Al (At. Mass = 26.98 amu) Mass of tungsten (%) Mass % Cl A) 72.17 27.83 B) 56.56 43.55 C) 50.91 49.09 D) 46.36 53.64...
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This note was uploaded on 03/22/2011 for the course BME 111 taught by Professor Gokce during the Spring '11 term at NJIT.

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CHEM Chal #2 - 2) Aluminium is used in airplanes for its...

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