Problem: Write the chemical formula for the cation present in the aqueous solution of AgNO3.

FREE Expert Solution

We have to write the formula for the cation present in the aqueous solution of AgNO3.

For this problem, we need the solubility rules:


• Soluble Ionic Compounds:

• Group 1A ions (Li+, Na+, K+, etc.) and Ammonium ion (NH4+) are soluble.

• Nitrates (NO3), Acetates (CH3COO or C2H3O2), and most Perchlorates (ClO4) are soluble.

• Halides (Cl, Br, and I) are soluble except when paired with Ag+, Pb2+, Cu+, Hg22+.

• Sulfates (SO42–) are soluble except those of Ca2+, Sr2+, Ba2+, Ag+, and Pb2+.


• Insoluble Ionic Compounds:

Hydroxides (OH) and Sulfides (S2–) are insoluble except when with Group 1A ions (Li+, Na+, K+, etc.), ammonium ion (NH4+), Ca2+, Sr2+, and Ba2+

Carbonates (CO32–) and Phosphates (PO43–) are insoluble except when with Group 1A ions (Li+, Na+, K+, etc.) and ammonium ion (NH4+)

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Problem Details

Write the chemical formula for the cation present in the aqueous solution of AgNO3.

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

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