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r5ans - Chemistry 112 Find the pH problem set Spring 2007...

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Unformatted text preview: Chemistry 112 Find the pH problem set Spring 2007 Is it a strong acid or strong base problem? Is it a weak acid or weak base problem? Is an approximation (to avoid solving a quadratic) possible? Is there an ionic compound that dissociates completely? If so, which ions can be ignored? Find the H of a 0.250M solution of HCl. shwcmi _ diSSoc’ciafz— HM“ [ll—W] rOiZSYJM pH —‘ 0.90 a 0.250M solution ofHC4H10'2{Ka = 1.5x10‘5). Ldemfllm i; (3.237) C) c; ’X" i-qxio : [Hi-J _ H. F 4 _ t eager 7 Poi—l =Z.72 _ L L karma” : l— 2: L (LEV—"X 015* a 0.0m M solution of chloroacctic acid (Ka = 1.4x10'3 ) HC-tHLUZOL 7:? H+ +- CLuzuoa- 1 0.010 0 U (5 (9.0:on or "i ’17. ‘ 13 ' ._ . 2 Hi We N0 WWfr/MMAM “ELM crow—X flf‘x‘yéi 3 a 0.010 M solution of sodium chloruacetate. Mn (2.”;on —_) M0~+ 1‘ C-z “10.;(46- Tmfsf-fiuwm lino/a M afi4'diaoM‘QGM-Mbéfl. KbTKw/k’q :7‘I‘UO_'?— (mania) +Hzo:‘—* (Du-F + HCLHZOLU? L 0.0m —1 o O L; 0010'”: 7‘ 1 _|?__ 13' X2 ' 7W0 fame—x“ 2m POH‘G'” "x = 2.97300” : [Orr] y’H = 7H3 a mixture of26.00 mL of0.100-M NaOH and 25.00 mL of0.100M HCl. 0.01C9L an. o-IOLOM‘Q __ Lax/03’ M NaOH 010157— X : ngohaiw/JHCQ ACLM WVM MR 2.§x/QF3W«Q «(Maxi (W) Elm omxzoawfl ...
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