Si5le5jadaBerte Si5le5jadaBerte

21-07-2016
Chemistry

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how many moles are in 5.0 x 1025 atoms of iron

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Willchemistry Willchemistry

30-07-2016

1 mole --------------- 6.02 x 10²³ atoms
( moles iron) -------- 5.0 x 10²⁵ atoms

( moles iron ) = 5.0 x 10²⁵ x 1 / 6.02 x 10²³

moles iron = 5.0 x 10²⁵ / 6.02 x 10²³

= 83.05 moles of iron

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