객관식
Will precipitation occur when solutions of Na2SO4 and BaCl2 are mixed?
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6. Chemical Quantities & Aqueous Reactions
Solubility Rules
객관식
Which of the following compounds is predicted to be highly soluble in water according to common solubility rules?
A
PbI_2
B
BaSO_4
C
AgCl
D
NaNO_3
검증된 단계별 안내1
Recall the common solubility rules for ionic compounds in water, which help predict whether a compound will dissolve significantly or remain mostly insoluble.
Identify that compounds containing alkali metal ions (such as Na\(\textsuperscript{+}\)) and the nitrate ion (NO\(\textsubscript{3}\)\(\textsuperscript{-}\)) are generally soluble in water without exceptions.
Examine each compound: PbI\(\textsubscript{2}\), BaSO\(\textsubscript{4}\), and AgCl are known to be sparingly soluble or insoluble due to the presence of heavy metal cations and anions that form precipitates.
Recognize that NaNO\(\textsubscript{3}\) contains the sodium ion (Na\(\textsuperscript{+}\)) and nitrate ion (NO\(\textsubscript{3}\)\(\textsuperscript{-}\)), both of which are highly soluble according to the solubility rules.
Conclude that NaNO\(\textsubscript{3}\) is predicted to be highly soluble in water, while the other compounds are not, based on these solubility guidelines.
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