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How many moles of nitrogen are in 12 grams

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Answer:

Step-by-step explanation:

The chemical formula of nitrogen is N2

A mol of Nitrogen atoms = 14 grams

So N2 will have a molar mass of 14 * 2 = 28 grams

number of moles of N2 = given mass / molar mass

number of moles of N2 = 12 / 28

number of moles of N2 = 0.4286 mols

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