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Answer :
Answer:
No.of copper atoms= no.of moles x No x atomicity
(No - avagardro's number )
= wt / atomic mass x No x 1
= 198 x 10 ^3 g / 63.5 x No
= 3.118 x 10^3 x 6.02 x 10^23
= 18.77 x 10^26 atoms.
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Rewritten by : Barada
So in the periodic table, the atomic mass of one copper is 64.546.
One mole is 6.022x10^23 atoms.
You can use both of these to find the number of atoms.
The formula to find the amount of moles of something is "moles = grams / atomic mass"
103 kg --> 103,000 g.
103,000 divided by 63.546 = around 1620.873 moles.
All you need to do is multiply 1620.873 to 6.022x10^23 and you get the number of atoms in copper!
One mole is 6.022x10^23 atoms.
You can use both of these to find the number of atoms.
The formula to find the amount of moles of something is "moles = grams / atomic mass"
103 kg --> 103,000 g.
103,000 divided by 63.546 = around 1620.873 moles.
All you need to do is multiply 1620.873 to 6.022x10^23 and you get the number of atoms in copper!
