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Determine the number of grams in a mole of...?

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Te vjeter 29-06-2007, 22:35
Minifotoja e anetarit Chablisah
I/e Sapoardhur
 
Reg: 29-06-07
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Kryesore Determine the number of grams in a mole of...?

Determine the number of grams in a mole of each of the following gases.(a) nitrogen(b) ozone(c) xenon
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Te vjeter 29-06-2007, 22:45
Minifotoja e anetarit Dr.A
I/e Sapoardhur
 
Reg: 29-06-07
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We have to determine the molar mass of the following gasesa ) nitrogen is N2 . Molar mass =14 + 14 = 28 g/mol so 1 mole weights 28 gb) ozone is O3 . Molar mass = 16 + 16+ 16 = 48 g/mol so 1 mole weights 48 gc ) Xe . Atomic mass = 131.3 g/mol so 1 mole weights 131.3 g
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