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posted by  Forensics on 4/25/2008 2:52:05 PM  |  status: Closed  

Balanced reactions given half-reactions

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Question Details:
Given the following half-reactions,

2IO3-(aq) + 12H+(aq) + 10e- ® I2(s) + 6H2O
Fe2+(aq) ® Fe3+(aq) + e-

write the balanced overall reaction.
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posted by larios on 4/25/2008 6:36:29 PM  |  status: Live
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Response Details:
Given the following half-reactions,

2IO3-(aq) + 12H+(aq) + 10e- ® I2(s) + 6H2O     (1)
Fe2+(aq) ® Fe3+(aq) + e-                 (2)

Multiply the second reaction by 10, then add the equations and the answer is the last in your list of reactions,
 
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