Question #b769f

1 Answer
Ernest Z.
Aug 31, 2016

Sorry. "1 mol Fe" = 3.17 × 10^23color(white)(l) "atoms Fe"1 mol Fe=3.17×1023latoms Fe

Explanation:

You don’t need the atomic mass of "Fe"Fe.

All you need to know is that "1 mol" = 6.022 × 10^23color(white)(l) "atoms"1 mol=6.022×1023latoms.

Then

0.526 color(red)(cancel(color(black)("mol Fe"))) × (6.022 × 10^23color(white)(l) "atoms Fe")/(1 color(red)(cancel(color(black)("mol Fe")))) = 3.17 × 10^23 color(white)(l)"atoms Fe"

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