Question

find the mass of 2 moles of nitrogen gas​

Answer 1

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One mole of Nitrogen gas weighs 14 grams

So, 2 moles of nitrogen gas will weigh 14+14 = 28 grams

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Answer 2

Answer:

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Explanation:

One mole of N consists of Avogadro's number of nitrogen atoms (and has a mass of 14.01 g), whereas 1 mole of N2 consists of Avogadro's number of molecules, each molecule having two nitrogen atoms. One mole of N2 molecules would have a mass of 2 X 14.01 g = 28.02 g.