Problem: The accompanying photo shows the reaction between a solution of Cd(NO3)2 and one of Na2S. What ions remain in solution?

🤓 Based on our data, we think this question is relevant for Professor Ramoutar's class at GS.

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reactant

Cd(NO3)2 → Cd2+ (aq) + 2 NO3- (aq)

Na2S → 2 Na+ (aq) + S2- (aq)


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Problem Details

The accompanying photo shows the reaction between a solution of Cd(NO3)2 and one of Na2S. Liquid from a graduated cylinder is being poured into a beaker containing a liquid, forming a cloud, yellowish precipitate.

What ions remain in solution?

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

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Based on our data, we think this problem is relevant for Professor Ramoutar's class at GS.