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Solid State question

2017 · Shift 1 · Q7
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Solid State question

2017 · Shift 1 · Q7

JEE AdvancedChemistrySolid StateNumerical+3 / −1
A crystalline solid of a pure substance has a face-centered cubic structure with a cell edge of 400pm.400pm.400pm. If the density of the substance in the crystal is 8g cm−3,8g\,c{m^{ - 3}},8gcm−3, then the number of atoms present in 256g256g256g of the crystal is N×1024.N \times {10^{24}}.N×1024. The value of NNN is
Numerical answer
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