Silver Ions Can Be Precipitated from Aqueous Solutions by the Addition

question 40

Multiple Choice

Silver ions can be precipitated from aqueous solutions by the addition of aqueous chloride:
Ag⁺(aq) + Cl^-(aq) → AgCl(s)
Silver chloride is virtually insoluble in water so that the reaction appears to go to completion.How many grams of solid NaCl must be added to 25.0 mL of 0.366 M AgNO₃ solution to completely precipitate the silver?

• A)9.15 × 10^-3 g
• B)1.57 × 10^-4 g
• C)0.535 g
• D)0.157 g
• E)6.39 × 10³ g