7 November, 08:06
How many iron atoms are contained in 354 g of iron?
7 November, 08:34
Molar mass Fe = 55.85g/mol
Mol Fe in 354g = 354/55.85 = 6.338 mol Fe
1 mol Fe = 6.022*10^23 atoms
6.338 mol Fe = 6.338*6.022*10^23
= 3.82 * 10^24 atoms.
7 November, 09:30
3.82 x 10^24 Fe atoms
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» How many iron atoms are contained in 354 g of iron?