Problem: Complete and balance the equation for this reaction in acidic solution. ZnS + NO3-  → Zn2+ S + NO Tip: If you need to clear your work and reset the equation, click the button that looks like two red arrows. Which element got... oxidized? a) S b) N c) Zn reduced? a) S b) N c) ZnWhich species was the...  oxidizing agent? a) ZnS b) NO3- c) Zn2+ reducing agent? a) ZnSb) NO3- c) Zn2+

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We’re being asked to balance the given oxidation-reduction reaction:

ZnS + NO3–  → Zn2+ + S + NO


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Problem Details

Complete and balance the equation for this reaction in acidic solution. 

ZnS + NO3-  → Zn2+ S + NO 

Tip: If you need to clear your work and reset the equation, click the button that looks like two red arrows. 

Which element got... 

oxidized? 

a) S 

b) N 

c) Zn 

reduced? 

a) S 

b) N 

c) Zn

Which species was the...  

oxidizing agent? 

a) ZnS 

b) NO3- 

c) Zn2+ 

reducing agent? 

a) ZnS

b) NO3- 

c) Zn2+

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Balancing Redox Reaction concept. You can view video lessons to learn Balancing Redox Reaction. Or if you need more Balancing Redox Reaction practice, you can also practice Balancing Redox Reaction practice problems.