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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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123456789ABCD 123456789ABCD
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An aqueous solution contains [Ba2+] = 5.0 × 10-5 M, [Ag+] = 3.0 × 10-5 M, and [Zn2+] = 2.0 × 10-7 M. Sodium oxalate is slowly added so that [C2O42-] increases.

Salt BaC2O4 ZnC2O4 Ag2C2O4
Ksp 1.5 × 10-8 1.35 × 10-9 1.1 × 10-11

What is the concentration of the first cation to precipitate when the second cation just begins to precipitate?

▸ 1.3 × 10-6 M

▸ 2.2 × 10-6 M

▸ 5.0 × 10-5 M

▸ 1.35 × 10-9 M

▸ 1.1 × 10-11 M
Textbook 
General Chemistry: Principles and Modern Applications

General Chemistry: Principles and Modern Applications


Edition: 11th
Authors:
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