other - Need pH of Zn+2, Cu+2, Ag+ A lot of 2M NaOH to...

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Need pH of Zn+2, Cu+2, Ag+ A lot of 2M NaOH to dissolve Zn(H2O)4(OH)2 Cu(H2O)4(OH)2 dark blue mixes to milky blue Cu(H2O)4(OH)4-2 dark, thick blue Cu(H2O)4(OH)4-2 heated is baby blue w/ solid pieces at bottom Zn(OH2)2(OH)4-2 heated is white with bigger solid pieces CuO dissolves with 1M HCl and has a blue tint CuO needs excess 6M NaOH with a darker blue tint Zn(OH)2 needs excess 6M NaOH stirred well and dissvoles with no color Zn(OH)2 needs 1M HCl slight excess and becomes colorless and dissolved Ag2O is coffee brown Ag2O with 1M Hcl tur ns the solution white ppt and more added more dissolved Ag2O with 1M NaOH turns solution nasty green with specks a lot needed to dissolve Ag(OH2)(OH) is white, gelatinous HIC blue pH 12 for Zn+2 and NH3 takes a lot to dissolve after formed Zn(H2O4(OH)2(s) HIC y pH14 when NaOH is added with Zn+2 took a lot a lot of NaOH to dissolve Zn(H2O)4(OH)2(s) Zn(H2O)4(OH)2 does not dissolved in 3M NH3 Cu(OH2)6+2 with NH3 at beginning few ppt and later more drops then no ppt
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This note was uploaded on 07/14/2008 for the course CHM 2045L taught by Professor Horvath during the Spring '07 term at University of Florida.

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other - Need pH of Zn+2, Cu+2, Ag+ A lot of 2M NaOH to...

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