Multiple Choice
Which of the following best explains why sugar (sucrose) dissolves readily in water?
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6. Chemical Quantities & Aqueous Reactions
Solubility Rules
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Which of the following salts is insoluble in water?
A
AgCl
B
NaNO_3
C
NH_4Br
D
K_2SO_4
Verified step by step guidance1
Recall the general solubility rules for ionic compounds in water, which help predict whether a salt will dissolve or not.
Note that most nitrates (NO_3^-) and ammonium (NH_4^+) salts are soluble in water without exceptions.
Recognize that most potassium (K^+) salts are also soluble in water, including K_2SO_4.
Identify that silver chloride (AgCl) is a well-known exception to solubility rules, as most silver (Ag^+) salts are insoluble except for a few like AgNO_3.
Conclude that among the given options, AgCl is insoluble in water based on these solubility rules.
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