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

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Chemistry

14 September, 12:26

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

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Ariella · Answer 1

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.)