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Chemistry, 31.01.2020 20:48 twocutebabe26

Acopper penny has a mass of 2.6 g assuming it is pure copper, how much of this mass is contributed by a) the neutrons in the copper nuclei b) the electrons

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Acopper penny has a mass of 2.6 g assuming it is pure copper, how much of this mass is contributed b...

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