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JKCET Density Calculation — practice questions

2 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.

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Gold crystallises in the fcc structure with edge length 408 pm. Its density is (M = 197 g/mol, $N_A = 6.022 \tA metal of molar mass 56 g/mol crystallises in a bcc structure with density 7.86 g/cm³. The unit cell edge len