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9:51 AM 10 22.1.OP.001 (a) Calculate the number of e per atom, and its molar mass is 107.87 g/mol. (b) Imagine adding s to the pin until the negative charge has the very large value 1.00 mC. How many electrons are added for every 1 electrons already present?
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mass of stoven Rm lo.og amd ma2or mass 107.87 g/mo.Q * 3 maQ lo 7. 89 19 乡2.62 X , I S ectoms a.6 2x 10s

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