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What is the mass in grams of 2.0 moles of NO2
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What is the mass in grams of 2.0 moles of NO2

User Mattmanser
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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.
User Matlabgui
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