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23 Lopper has a molar mass 65.13 g and denSIty 89% Kg m'a. (a) Calculate the volume of 1 mole of copper. (b) If each

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23 Lopper has a molar mass 65.13 g and denSIty 89% Kg m'a. (a) Calculate the volume of 1 mole of copper. (b) If each atom of copper contributes 1 free electron. calculate the number of free electrons per unit volume of copper. (c) Calculate the drift velocity of electrons along a 1 mm diameter copper wire carrying a current of l A

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