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Ionic equations and Spectator Ions question REALLY SHORT

  • Thread starter amd123
  • Start date
110
0
1. Homework Statement
Pb(NO3)2(aq) + H2SO4(aq) → PbSO3(s) + HNO3(aq)
Pb + (NO3)2(aq) + H2 + SO4(aq) → PbSO3(s) + H + NO3(aq)

3. The Attempt at a Solution

So far I've done that, and now I'm stuck I see h2 and h can I cross out both or do i have to balance right now? My teacher said you can balance at the end. Can i cross out one h on the left and the remaining on the right?
 

Answers and Replies

458
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H2 is a gas. H2SO4 (aq) only releases H+ ions.
 
110
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can i get rid of them or no?
 
Last edited:
93
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Could Snazzy be saying you won't get HNO3? rather H + NO3 ???
 
110
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no i copied exactly the way it is from my prentice hall chem book hwork assignment
 
110
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wait there is a problem
Pb(NO3)2(aq) + H2SO4(aq) → PbSO4(s) + HNO3(aq)
Pb + (NO3)2(aq) + H2 + SO4(aq) → Pb + SO4(s) + H + NO3(aq)
 
93
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To balance I think you get
Pb(NO3)2(aq) + H2SO4(aq) --> PbSO4(s) + 2HNO3(aq)

if that helps any.
 
110
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ok
thanks
 
93
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I know, not much help. Sorry :(
 

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