Lab 3 Molecular Mass of a Volatile Liquid

Lab 3 Molecular Mass of a Volatile Liquid - Section 5 0...

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Unformatted text preview: Section 5 0 EXPERIMENT 3 QUALITATIVE ANION ANALYSIS PRE-LABORATORY QUESTIONS O...IOI.lO...000......0000000O...I00......O..0OIOOOIIIOOIIIIIIICOOO...I. The following preparatory questions should be answered before coming to lab. They are intended to introduce you to several ideas that are important to aspects of the experiment._You must turn in your work to your instructor before you will be allowed to begin the experiment. 1. Complete the following solubility table. (Write “S” for soluble and “I” for insoluble in each cell). I l No; l 0032' Br' 2. Write net ionic equations for those combinations that produce insoluble products. ’3 , a. "I If. .3 ,. ——5 re! A f w C Li— 1" x‘ a (mg? r) Co‘s {52:} —-> {:4 x, 93 L51? Chem15 lSfiAcademic Year 2010/2011 3_1 r’ 3. Develop a scheme to separate C032} NO3' and Br" fifibns in solution and drefiiv a flow A\ chart that depicts your scheme. (3032', N03' and Br‘ add Ca“ {oz/ac r??? A3944 ff /_ Cheml 5 1 S—Academic Year 2010/201 1 3—2 Section 9 RESULTS PART ONE : ANALYZING KNOWN ANION SOLUTION (section A) Reagent added Cl' 1' SO42— PO43- 6M HNO3 and ’ 1‘; hk‘ ” ‘f/WG 0 - e H 9% Qwefii‘mmfi’! 0-1M AgN03 V“ x " L h I .. flew , 3M NH40H (section B) Reagent added Cl' 1' 5042‘ P043' 3 M NH4OH and gamma/s: , B 0 3 M a(NO3)2 / 15M HN03 and heat ammonium molybdate reagent Chem1515—Acadcmic Year 2010001 1 ; fifi'w .33).: : «fiz- PART TWO : DEVELOPING A SEPARATION SCHEME /fl r+ O SOIDI CT, 1-, $042., PO43; anions Add HNO3, AgN03 “ ‘ ,,r gimp-Maer Chem15 IS—Academic Year 2010/2011 Section 0 (3 6 PART THREE : ANALYZING UNKNOWN ANION SOLUTIONS Tests performed and Outcome : & w E 204M fiA/égfw?{, 431N939? ,[J‘wswl $4.14; ,, ' J} . / "v if f @525“ {ififl‘i1’é‘fia’fi'fl} ' HM??? " " ‘Qé'drwgy 4H5“ I ’7 x . 7" i. 7) Wt Mamie 24...mra “@4775? C! [M W foz"“‘f'?“i1’%2 éa'ééfl’ my? r I 1’ V a v ‘ 47 17‘ 7* wfifflf, a ‘ 4.7% jog. a Wig MFa/mw. éiwu’mw «1% .371? Owl/y crmrviniw. 57 7‘67, *‘ u g? ,.,.»._.<f:_.._@§€9 WM“ ‘1 r f Aida/75¢” Mgww’ flaw 60$, qe/iva-WIM ac? KW??? We? "W W4”) > 45;); flgfifi‘ffikégégf $5? #Mv’g A 6* £2.51 1 A 77 MSG (ma-lag“; 3 ' i a" mmgiw 3% 355% ,,M" 442 améaawn a’ccafiel _ . ,. ,__ ., ., Chem1515—Academjc Year 2010/2011 ,3 7 Ms“ ‘; Unknown # 1 contains : : >3“ we“? 5’ :3 SIGN—OUT: All equipment is put away, and the student bench is clean and dry. TA Date Chem15 15—Acadcmic Year 2010/2011 3—1 0 006 Section POST LABORATORY QUESTIONS 1. Write total ionic and net ionic equations for those tests that produced chemical reactions. g.” §+ 2P9“ Lwfi —-—-) 850009, \2 Us ChemlSlS—Academic Year 2010/201 1 3—1 1 2* c + . 2~ 360 W;- 6N6») 0%.; + 5w WC: «e- Zpafi, mg) egggpouim MW 3026:: I .. 2. A sample solution may contain either, both or neither of the following ions: S042" and '\ Br". Using solubility rules, prepare a flow chart showing how you could separate and determine the identity of the ions in the solution. 3. A sample solution may contain either, both or neither of the following ions: C032’ and S0421 Using solubility rules, prepare a flow chart showing how you could separate and x determine the identity of the ions in the solution. Cogfiée $1392.; W . .s —7" - , 5‘ ChemlSlS—Academic Year 2010/2011 ...
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Lab 3 Molecular Mass of a Volatile Liquid - Section 5 0...

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