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25-07-2016
Chemistry

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1. How many moles of Cu are in 1.48 × 1025 Cu atoms?

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Willchemistry Willchemistry

30-07-2016

1 mole ------------- 6.02 x 10²³ atoms
( moles Cu) ------- 1.48 x 10²⁵ atoms

moles Cu = ( 1.48 x 10²⁵ ) x 1 / 6.02 x 10²³

moles Cu = 1.48 x 10²⁵ / 6.02 x 10²³

= 24.58 moles of Cu

hope this helps!

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