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What is the total number of nitrogen atoms in 0.25 mole of NO2 gas? A) 1.5 × 1023 B) 6.0 × 1023 C) 3.0 × 1023 D) 1.2 × 1024?
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- Anonymous1 year ago
Just multiply by Avogadro's number. That gives you the number of NO2 molecules. Number of N atoms = number of NO2 molecules
- davidLv 71 year ago
0.25 mole X (6.022x10^23 molecules/mole) X (1 atom N / molecule NO2)
= 1.5 x 10^23 atoms N
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