JEE Main Chemistry question
Not in JEE Main or NEET syllabus
A metal has an fcc lattice. The edge length of the unit cell is 400 pm. The density of the metal is 2.8 g cm. The molar mass of the metal is g mol. (Avogadro's constant = )
Answer: 26.88
Solution
From with , \dfrac{dN_Aa^3}{Z}\dfrac{2.8×6.00×10^{23}×(4×10^{-8})^3}{4}\dfrac\ti$
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