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Grade: 11

                        

Total no. Of moles of fe atoms in 139.52gm of Fe0. 96O (Fe=56 )

7 months ago

Answers : (1)

Arun
24742 Points
							
let x be wt of fe3+ and then 0.96-x will be fe2+ 
 
the molecule / crystal is neutral therefore net positive = net negative
 
3x+ 2(0.96-x) = 2
 
x = 0.08
 
or 8 percent
7 months ago
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