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# If One Mole of Nitrogen Molecules Weighs 28 G, Calculate the Mass of One Molecule of Nitrogen in Grams. - Science

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Short Note

If one mole of nitrogen molecules weighs 28 g, calculate the mass of one molecule of nitrogen in grams.

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#### Solution

Mass of one mole of nitrogen = 28g

We know that, 1 mole of nitrogen contains 6.022 × 1023 molecules.

Mass of 6.022 × 1023 nitrogen molecules = 28g

Mass of one molecule of nitrogen = 28 / 6.022 × 1023 g = 4.64 × 10-23 grams.

Hence, one molecule of nitrogen weighs 4.64 × 10-23 grams.

Concept: Molecules
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#### APPEARS IN

Lakhmir Singh Class 9 Chemistry - Science Part 2
Chapter 3 Atoms and Molecules
Short Answers | Q 17 | Page 172

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