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Total charge in a copper coin

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A copper coin has a mass of 3 g. What is the total charge of all the electrons in it ? Given that the atomic number of Cu is Z = 29 and the atomic mass is 63.5 g/mole.

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Total charge of all the electrons in a copper coin. The atomic mass of the copper in a coin is determined.

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Thus we have to calculate the total number of electrons in the coin. It is given that Z =29 which means that there are 29 electrons in a copper atom. Now the problem needs the total number of ...

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