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38. Gold crystallises in face centred cubic structure.If atomic mass of gold is 197 g mol-1, the mass ofthe unit cell of gold will be(a) 3.25 x 10-23 kg (b) 6.5 x 10-23 kg(c) 3.9 x 10-24 kg (d) 1.3 x 10-24 kg |
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