We’re being asked to determine the insoluble compound among the choices.
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+)
Which one of the following compounds is insoluble in water?
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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 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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Our tutors rated the difficulty ofWhich one of the following compounds is insoluble in water?a...as medium difficulty.
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Based on our data, we think this problem is relevant for Professor Reyes' class at MDC.