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Chemistry
Tomas Carr
29 June, 21:43
What is the mass in grams of 2.0 moles of NO2
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Quentin Moss
30 June, 00:28
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Use your periodic table to get 1 mol. Look up the atomic masses. I'll round the numbers since every periodic table is different.
N = 14
O2 = 2 * 16
Total = 30 grams / mol
Therefore 2 mols = twice as much = 60 grams.
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