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Brooke B.

asked • 12/04/20

How many atoms are in 4.5 mol Cu? Answer must contain 2 significant figures.

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William W. answered • 12/05/20

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A mole of anything has 6.022 x 10²³ items in it. 4.5 moles of copper has (4.5)(6.022 x 10²³) = 2.7 x 10²⁴ atoms.

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