Need help balancing this chemical equation?

  • Thread starter donniemsb_12
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In summary, the given equation is Ag2S + HNO2 -> Ag2SO4 + NO2 + H2O. It cannot be balanced with HNO2 and there may be a mistake as it should probably be HNO3 instead. The reaction may also be a dehydration reaction and it should be checked if the silver compounds are correct. The given equation was answered correctly during class.
  • #1
donniemsb_12
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Ag(subscript of 2)S + HNO(subscript of 2) -> Ag(subs.2)SO(subs.4) + NO(subs.2) +H(subs2)O

TNX! PO!
 
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  • #2
So, Ag2S + HNO2 -> Ag2SO4 + NO2 + H2O ?

What's being oxidised? What's being reduced? What stays the same?
 
  • #3
In the future, you'll want to ask homework questions under
Physicsforums -> Science Education -> Homework & Coursework

There is probably a mistake on your products side. Instead of HNO2, it's probably HNO3, nitric acid. The equation cannot balance with HNO2.

To find your coefficients:

Count and mark the number of elements on each side of the reaction.
Looking at your oxygens should get you the solution quickly.

Wait, this kind of looks like a dehydration reaction. Make sure about your silver compounds too.
 
Last edited:
  • #4
fedaykin said:
There is probably a mistake on your products side. Instead of HNO2, it's probably HNO3, nitric acid. The equation cannot balance with HNO2.

You mean reagents side, don't you?
 
  • #5
Indeed I did, my apologies.
 
  • #6
my given is correct . and we answer it in while we were on our class :)
 
  • #7
donniemsb_12 said:
my given is correct . and we answer it in while we were on our class :)

So, what is the answer then?
 

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