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Sia

青州's Question
Chemistry
Posted 10 months ago

A solution contains silver ions (Ag+). A student adds excess chloride ions (Cl-) to precipitate silver chloride (AgCl)(\mathrm{AgCl}). If the molar mass of silver chloride is 143.32 g/mol143.32 \mathrm{~g} / \mathrm{mol}, calculate the mass of silver chloride formed when 100 mL100 \mathrm{~mL} of the solution is used. A solution contains silver ions ( Ag+\mathrm{Ag}+ ). A student adds excess chloride ions (Cl-) to precipitate silver chloride (AgCl)(\mathrm{AgCl}). If the molar mass of silver chloride is 143.32 g/mol143.32 \mathrm{~g} / \mathrm{mol}, calculate the mass of silver chloride formed when 100 mL100 \mathrm{~mL} of the solution is used.
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Answer from Sia
Posted 10 months ago
Solution
1
Determine the concentration of Ag+ ions: To calculate the mass of AgCl precipitate formed, we first need the concentration of Ag+ ions in the solution. However, this information is not provided in the problem statement. Without the concentration of Ag+ ions, we cannot proceed with the calculation
Answer
The mass of silver chloride formed cannot be calculated without the concentration of silver ions (Ag+) in the solution.
Key Concept
Stoichiometry of a precipitation reaction
Explanation
To find the mass of a precipitate formed in a reaction, the stoichiometry of the reaction and the concentration of the reactants are required. In this case, the concentration of Ag+ ions is necessary to calculate the mass of AgCl precipitate.

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