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Chemistry - Solid State Question with Solution | TestHub

ChemistrySolid StateCubic CrystalsMedium2 minPYQ_2022

ChemistryMediumsingle choice

Find the molar mass of an element that crystallizes forming unit cell structure having edge length $4 \times 1 0^{- 8} cm$ and containing 4 particles. ( $Q = 19.7 g cm^{- 3}$ )

Options:

Answer:

Solution:

$d = \frac{Z \times M}{V \times N _{A}}$ $19.7 = \frac{4 \times M}{( 4 \times 1 0 ^{- 8} ) ^{3} \times 6.02 \times 1 0 ^{23}}$ $M = 189.75 g / mol$

Stream:MHT_CETSubject:ChemistryTopic:Solid StateSubtopic:Cubic Crystals

⏱ 2mℹ️ Source: PYQ_2022

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