Q6-answers346

Q6-answers346 - Quiz 6 Name: \ Chem 1B, Spring 10 Fossum 1....

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Unformatted text preview: Quiz 6 Name: \ Chem 1B, Spring 10 Fossum 1. a. (5) Calculate the solubility of AgZSO4 (in g/L) in the presence of 0.20 M Na2804(aq). Ksp for AngO4 = 1.5x10'5. x ._,..> I ' 2 V ,,_ . A32 304 (S) C” 2% + 4 / 33X10'giijl A3230 '3 l I ‘8‘? - 3 [a 0. 20M .r _.,,.—_——~ °‘ ‘ 3mm , 2 L 1M 4 2x +1 »»»»» a Aw” \ ’ . 14...: {Agflzwi (29701-20 +ng W (45‘) = AXZKOLZOB sam’urb of A3256) X’T-E 2: 433x103!” :5olohth‘b 440920) (dissolved) b. (1.5) Will this solid (in part a) be more soluble, less soluble, or equally soluble when Wafer. Aka/6' Cam/man (0A 63/:(‘6d . Shif’f'S +04 équd‘ lon‘uw 73> W H Wm Wartva lag c. (1.5) Will this solid (in part a) be more soluble, less soluble, or equally soluble in the presence of acid? Why? Explain. p __ I _ “3 p ma SWXQCO 5045‘ is m Coax hack b64143? HSOA , H501 \ A Lg . . r . - ’ § ) s atch (bu? WA“ §Wfl9u+cfj . . p ‘ . 'msohd wil\ be slx‘gmlj W Samba 1‘“ amok {90+ “0+ Mud’" (304‘ ’ is 2. (3) If 20.0 mL of 0.010 M AgNO3 (aq) is mixed with 40.0 mL of 0.010 M K2804 (aq), will AgZSO4 precipitate? Support your answer with an appropriate calculation. KspforAgZSO4=l.5xlO'5. Q5? 3 CAfiiztsofs MG 11%,} = COWM : 0.00333 M Ajrx’o3 so , A3 V\ ML. M SQ‘zp I ' a O." (o Me 133,} : "\A 60.00%; '2 1’ .—— '2 . ’ '2, : 7.4xl0fl3’ wj’ttl 3. (9) Determine the concentrations of all ions present at equilibrium when 20.0 mL of 0.500 M KOH W is mixed with 30.0 mL of 0.200 M Cr(N03)3 (aq). Ksp of Cr(OH)3 = 1.6x10'30_ Mfr/N: Masongng : azoom (oil so (50.0%) V2 M1: {OJOOMXBOAMA : 0,220 M C(C'NOQB 50 05206 M H 0.200 M on- 0.t2o M Cr3+ x3: 0,3600 M N03 < ML 3 ® Cray/03 WM (99* W 3013 lb CorvvaLz‘HC/H - j 03" + BOH’ “,2 C4” (0H),) K:%SP L huge" , U a . ‘ start 0.0.0 M 0.200 M 336:; Q UP A i—X "ax 7, ix M "£231 N i (1200’ 3X k, . - 0H— M ' ' Vfi 0,,200 OH : (L’f ~"Q5 @ Ha ucr‘sjh LR 0420000007 o.wo'3::0 hm, 69W)» 0H" 50% (5 f (3.200: x M : 0053;; X : ago: acreage? M '3 @ CW5 equmlonY/Vh i 2+ K , Cram); (6) “cf & A” 30)“ ‘1 Sam 0.08333 M $75 +3 " ‘ 0.05%3 we 3X l ‘ ‘ UL SW '74 Cid-0*]: O‘2OOM .- a , \45? : Le, x L03" = @6633; MM 39 Mgtm X lzaf : @0523} Y??? xgl 3% V? @oséaslfifll CORK: 3x ‘: 331x“) M L5 3 x10”‘°:7c X: l 3 [0H3 = Bail XlO—‘OM {GE} aong Mg} 0360 Mg“ ‘\ \1 j i f a] z x v s ...
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This note was uploaded on 09/04/2011 for the course CHEM 1B taught by Professor Fossum during the Spring '10 term at Laney College.

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Q6-answers346 - Quiz 6 Name: \ Chem 1B, Spring 10 Fossum 1....

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