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Chemistry - Solid State Question with Solution | TestHub

ChemistrySolid StateCubic CrystalsEasy2 minPYQ_2022

ChemistryEasysingle choice

Calculate the number of atoms in 5 gram metal that crystallises to form simple cubic unit cell structure having edge length $336 pm$ . (Density of metal $= 9.4 g cm^{- 3}$ )

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Answer:

Solution:

$d = \frac{z}{v} \times \frac{M}{N _{A}} 9.4 = \frac{1 \times M}{( 3.36 \times 1 0 ^{- 8} ) ^{3} \times 6.02 \times 1 0 ^{23}}$ $M = 214.65 g / mol$ No. of atoms $= \frac{5}{214.65} \times 6.02 \times 1 0^{23}$ $= 1.4 \times 1 0^{22}$

Stream:MHT_CETSubject:ChemistryTopic:Solid StateSubtopic:Cubic Crystals

⏱ 2mℹ️ Source: PYQ_2022

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