A solid having density of 9 × 10^3 kg m^{–3} forms face centred cubic crystals of edge length 200 \sqrt2 pm. What is the molar mass of the solid ? (Avogadro constant ~ 6 × 10^{23} mol^{–1}, π ~ 3) [11 Jan 2019 Shift 1]

Correct Answer is : 0.0305 kg mol–1

Solid State

Section: Chemistry

Question : 47 of 69

Marks: +1, -0

A solid having density of 9 × 103kgm–3 forms face centred cubic crystals of edge length 200 √2 pm. What is the molar mass of the solid ?
(Avogadro constant ~ 6 × 1023mol–1, π ~ 3)

[11 Jan 2019 Shift 1]

0.0216 kg mol–1
0.0305 kg mol–1
0.4320 kg mol–1
0.0432 kg mol–1

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