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Which of the following compounds is predicted to be highly soluble in water according to common solubility rules?
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6. Chemical Quantities & Aqueous Reactions
Solubility Rules
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Which one of the following compounds will be soluble in water?
A
PbSO_4
B
BaSO_4
C
NaNO_3
D
AgCl
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Recall the general solubility rules for ionic compounds in water, which help predict whether a compound will dissolve.
Note that most nitrates (NO_3^-) are soluble in water without exception, so NaNO_3 is expected to be soluble.
Sulfates (SO_4^{2-}) are generally soluble, but exceptions include PbSO_4 and BaSO_4, which are poorly soluble or insoluble in water.
Chlorides (Cl^-) are usually soluble, but AgCl is a well-known exception and is considered insoluble in water.
Based on these rules, identify NaNO_3 as the compound that will be soluble in water among the given options.
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