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KATRIN_1 [288]
3 years ago
13

The density of solid ni is 8.90 g/cm3. how many atoms are present per cubic centimeter of ni

Chemistry
1 answer:
bulgar [2K]3 years ago
7 0
Density gives mass of object per volume......   Here, density is given 8.90 g/cm3   therefore, per cubic centimeter contains 8.90 g Ni.   mole of Ni = mass / atomic mass   = 8.90 / 58.6934   = 0.1516 mole     number of atoms: mole * 6.022 * 10^23   = 0.1516 * 6.022 * 10^23   = 0.9129 * 10^23   = 0.9 * 10^23 (approx.)
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