A solid having density of 9 × 10³ kg m^–3 forms face centred cubic crystals of edge length 200 2 pm. What is the molar mass of the solid? [Avogadro constant 6 × 10²³ mol^–1, π 3]

Solid State: JEE Main 2019 Chemistry question

JEE Main 2019 · 11 Jan, Morning shift · Q1922

JEE Main 201911 Jan, Morning shiftChemistryEasySolid State42× since 2002

A solid having density of 9

\times

10³ kg m^–3 forms face centred cubic crystals of edge length

200\sqrt 2

pm. What is the molar mass of the solid? [Avogadro constant

\cong

\times

10²³ mol^–1 ,

\pi

\cong