Multiple Choice
Which of the following substances can be added to AgBr to promote its dissolution in water?
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6. Chemical Quantities & Aqueous Reactions
Solubility Rules
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Why is it important to know the solubility of Cu2CO3(OH)2 in water?
A
To identify the oxidation state of copper in Cu2CO3(OH)2.
B
To calculate the molar mass of Cu2CO3(OH)2.
C
To predict whether Cu2CO3(OH)2 will form a precipitate in aqueous reactions.
D
To determine the boiling point of water in the presence of Cu2CO3(OH)2.
Verified step by step guidance1
Understand that solubility refers to the ability of a substance to dissolve in a solvent, such as water, forming a homogeneous solution.
Recognize that knowing the solubility of Cu2CO3(OH)2 helps predict whether it will dissolve or remain as a solid (precipitate) when mixed with water or other aqueous solutions.
Recall that in aqueous reactions, substances with low solubility tend to form precipitates, which are solid particles that separate from the solution.
Note that predicting precipitate formation is important for understanding reaction outcomes, separation techniques, and chemical equilibria in solution.
Therefore, the key reason to know the solubility of Cu2CO3(OH)2 is to predict whether it will form a precipitate in aqueous reactions, rather than to determine oxidation states, molar mass, or boiling points.
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