CHEM 001 Lecture Notes - Lecture 27: Alkali Metal, Lead, Partial Pressure

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B. spectator ions: [ na+] ions have that no effect on equilibrium (ideally) C. common ion effect: when ions that may or may not be from the same source cause an equilibrium shift in accordance with le. By le chatalier"s principle, the reaction will shift in the direction that reduces the f- ion, which is the left. Because the equilibrium is shifting to the left, x (and even 2x) is going to be much smaller. Drop the 2x and solve for just x2. A. insoluble: compound with water solubilities of less than 0. 01 mol l-1. B. ionic compounds are soluble that contain. Alkali metals (li+, na+, k+, rb+, cs+, fr+) C. ionic compounds are insoluble, that contain. Silver, mercury and lead compounds (ag+, hg 2+, pb2+) D. sulfate compounds (so 2-) are soluble, but are insoluble if they contain. Mercury, lead and the heavier alkaline earth metals (hg 2+, pb2+, ca2+,