- #1
name_ask17
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Homework Statement
How many Fe atoms and how many moles of Fe atoms are in 400.0 g of iron?
The Attempt at a Solution
Ok. i attempted to find the number of moles by using 400/55.8 to get 7.17 but that is wrong?! please tell me ehy this is wrong. i set up a proportion like this 55.8g Fe = 1 mol
all over 400.0 grams =x and i solved for that x. i know its wrong, but why?