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Chemistry - Mole Concept Question with Solution | TestHub

ChemistryMole ConceptMiscellaneous/MixedMedium2 minPYQ_2020

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One mole of carbon atom weighs $12 g$ , the number of atoms in it is equal to, (Mass of carbon $- 12$ is $1.9926 \times 10^{- 23} g)$ NEET 2020 (Phase 2)

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Solution:

1 mole of carbon atom $= 12 g$ 1 mole of a carbon atoms $= 6.022 \times 1 0^{23}$ atoms Hence, mass of $6.022 \times 1 0^{23}$ atoms of carbon $= 12 g$ Mass of 1 atom of carbon $= \frac{12}{6.022 \times 1 0 ^{23}} = 1.9 \times 1 0^{- 23} g$

Stream:NEETSubject:ChemistryTopic:Mole ConceptSubtopic:Miscellaneous/Mixed

⏱ 2mℹ️ Source: PYQ_2020

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