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Angelina_Jolie [31]
3 years ago
10

A piece of copper has a mass of 660 g. How many atoms does the sample contain?

Chemistry
1 answer:
son4ous [18]3 years ago
4 0
The conversions that will be used are:

1 mole of copper / 63.5 grams of copper
6.02 x 10²³ atoms of copper / 1 mole of copper

Multiplying the given mass by these conversions,

660 g * (1 mol Cu / 63.5 g Cu) * (6.02 x 10²³ Cu atoms / 1 mole Cu)

The sample contains 6.25 x 10²⁴ atoms of copper
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