7.6•10^21 uranium atoms. What is the mass in grams

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asked Dec 26, 2018 224k views

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Sebdesign · Answer 1 · 2018-12-31T22:44:12+0000

Moles of Uranium = 7.6x10^21/6.02x10^23 = 0.012 moles.

Mass of Uranium = moles x atomic mass of Uranium
= 0.012 x 238.029
= 2.85 grams.

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7.6•10^21 uranium atoms. What is the mass in grams

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