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How many atoms are in 5 grams of gold?
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How many atoms are in 5 grams of gold?

User Sachin Chavan
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molar mass = 197 g
given mass = 5 g
avogadro's constant = 6.022 x 10 ^23
therefore no. of atoms = given mass/molar mass x no. Of atoms = 5/197 x 6.022 x 10^23 = 0.25 x 6.022 x 10^23 = 1.5 x10^23 atoms.
User Loreta
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