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Chemistry 8 Online
OpenStudy (anonymous):

How many moles of electron weigh one kilogram?

OpenStudy (anonymous):

Well electrons weigh 9.10938188 * 10^-31 each so 1 mol of them is that times avogadro's constant = 5.48 x10^-7 grams/mol and you need 1000/5.48 x 10^-7 = 1.82x10^9 mol.

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