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Chemistry - Solid State Question with Solution | TestHub

ChemistrySolid StateCubic CrystalsMedium2 minPYQ_2023

ChemistryMediumsingle choice

Calculate the volume of unit cell if an element having molar mass $180 g mol^{- 1}$ forms fcc unit cell. $[ρ \cdot N_{A} = 120 \times 1 0^{21} g cm^{- 3} mol^{- 1}]$

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Answer:

Solution:

Volume of unit cell $= a^{3} =$ ? Density $(ρ) = \frac{M \times n}{a ^{3} \times N _{A}}$ $a^{3} = \frac{M \times n}{ρ \times N _{A}} = \frac{180 \times 4}{120 \times 1 0 ^{21}} = 6.00 \times 1 0^{- 21} cm^{3}$

Stream:MHT_CETSubject:ChemistryTopic:Solid StateSubtopic:Cubic Crystals

⏱ 2mℹ️ Source: PYQ_2023

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