What is the minimum mass of Na2CO3 (molar mass = 105.990 g/mol) that must be added to 43.4 mL of a 1.0 × 10-4 M AgNO3 solution in order for precipitation to occur? The Ksp of Ag2CO3 is 8.6 × 10-12.Assume no volume change occurs upon addition of Na2CO3.
A) 4.6 × 10-4 g
B) 3.1 × 10-4 g
C) 2.3 × 10-4 g
D) 4.0 × 10-7 g
E) 4.0 × 10-3 g
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