Question

A piece of copper weight 0.635 gram how many atoms of copper does it contain

Answer 1

Hello!!!

The molar mass of Copper : 63.5 g .

0.635g of Cu will contain 6.022 * 10^23 .

So multipy it :)

Answer 2

Answer:

Here is your answer !!

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The atomic mass of Copper ( Cu ) is 63.5 u .

There fore , the molar mass of Copper is 63.5 g .

So , 63.5 g of Cu will contain 6.022 * 10^23 .

So , 0.635 g of Cu will contain 6.022 * 10^23 / 100 = 6.022 * 10^21 . [ Answer ] .

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