|
|
|
|
|
| Author |
Message |
![[Post New]](/templates/default/images/icon_minipost_new.gif) 11 Nov 2007 19:24:31 IST
|
|
|
Let out of 100 g x g is FeO and remaining Fe3O4
On heating FeO will oxidise to Fe3O4
3FeO+ (1/2)O2 gives Fe3O4
So 3*72=216 g FeO will give 232 g Fe3O4
So 232x/216+(100-x)=105
So x = 216*5/16 percent
|
Krishna Gopal Singh
B.Tech Chemical Engg
IIT Delhi 2002
Currently doing PhD from IIT Delhi |
this reply: 0 points
(with 0 
in 0 votes ) [?]
|
|
You have to be logged on to rate
|
|
|
|
|
|
|
|
|
|
Moderation Team
![[Up]](/templates/default/images/icon_up.gif "[Up]"){kind=icon}
2
