Physics, 12.07.2019 19:20 zavadskipaulo1oyt4og

(a) calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 13.0 g. silver has 47 electrons per atom, and its molar mass is 107.87 g/mole.
(b) electrons are added to the pin until the net negative charge is 2.00 mc. how many electrons are added for every 109 electrons already present?

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