nataliamontirl589 nataliamontirl589

27-09-2017
Chemistry

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What is the mass of 5.30×1021 platinum atoms?

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GAMEBOYDC GAMEBOYDC

27-09-2017

(5.08 * 10^21) / (6.022 * 10^23) = 0.0084357 moles * 195.084 g/mol = 1.65 g Atomic mass of platinum = 195.084 g/mol Avogadro's number = 6.022 * 10^23 so here you go

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