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Chemistry
Kirk
30 January, 14:18
How many molecules are in 189.5 grams of no2?
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Braedon Dillon
30 January, 15:36
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NO2 weighs 46.005 grams per mol. There are 6.02x10^23 molecules in a mol. In the given sample of 189.5 grams, there are 4.12 mols. This means that there are 2.48x10^24 molecules of NO2 in the given sample.
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