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As a rule of thumb, the Atomic Mass of an element equals the number of grams of that element equals a mole. Since the atomic mass of Nitrogen is 14, there are 14 grams in one mole of Nitrogen. Next, we just have to divide 42 by 14 and we get our answer: There are 2.9988 moles in 42 grams of Nitrogen.

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12y ago
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5mo ago

To find the number of moles of nitrogen in 42 grams, you first need to divide the given mass by the molar mass of nitrogen, which is approximately 14 grams per mole. Therefore, 42 grams of nitrogen would be equal to 3 moles of nitrogen.

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Q: How many moles of nitrogen in 42 grams of nitrogen?
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