Practice Problem Set 4 KEY F2011

Practice Problem Set 4 KEY F2011 - p CHEMISTRY 1414 FA“...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 4
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: p, CHEMISTRY 1414 FA“ 2011 Practice Problem Set 4 Question 1 Balance the following equations a).Cr + 02 90203 L1 CR + §0L -’) 1 CAD; b).Cqu + 02 9 Cu '+ 803 L LUIS. +g01 _) L1 Cu + 1503 c).C6H5CH3 + 02 9 €02 + leo C1, Hg Lu, TL 1019 7 LoL+ who d).Fe203 + Mg 9 MgO + Fe FeLO; + 3M7 ~) 3m70 + 1 Fe e).AlCl3 + NaOH 9 Al(OH)3 + NaCl Alt]; + 3mm.) —.7 Alto”); + 3mm f).NaN03 + H2804 9 Na2804 + HN03 L/Vmo; + 1459“ 9) Allan)“:r z Hm); g)_NiCO3 + HNO3 9 Ni(NO3)2 + co2 + H20 N do; {Wat-MID)» 1/; (1/0,)z 1 Low H10 h).Li + N29 Li3N éLi +N1—3LLI‘gN i).TiCl4 + H20 9 "in2 + HCl Tic!“ LHLo .9 7,-01 + q H“ j).NH4NO3 9 N2 + 02 + H20 ‘LNUMNO; “‘7 1M + 0L + 14 H10 k).Ca3P2 + H20 9 (:a(0H)2 + PH3 th’l + and; .3 gamut 1 UH; 1). Al(OH)3 + 11st4 9 A12(SO4)3 + H20 1 A\ (om; J- ;Hmw 9 Akin"); #- g HLD m).C2H5NH2 + 02 9 C02 + H20 + N2 “WM/141 + 'Fokfl M01 + Wan wL Question 2 ‘ Write the balanced overall, complete ionic, and net ionic equations for the following reactions occurring in aqueous solution: a). Barium chloride reacts with potassium phosphate to yield barium phosphate and potassium chloride. 0VUIM\', ; +lkvgpohl4“) "—) éuclcfl) +— BA3[P011)1 (I) 10m; M411” + écrm + Us}, + hoof;fl 9 4M”, + 6 (I'm, + But/50.1) ‘\,,,. Marlo/wt: 3 91+an, Jr Lpowg OVWHZlMC’UM J“ ; 3 i’ l— l. ‘ 1+ to” L I“ Um (l m) l" Hm MM NU [at/wt; OvuMy‘lKLCJMqM +1FCLC2WDQS twig? Ant \_./' {will ' b). Potassium chloride reacts with mercury(I) nitrate to yield mercury(I) chloride and potassium nitrate. ~a + ILL/V” HM HM) Hm U103) H7LC”~(J) #03140, -7 Mum, +1MW+WO3‘% ‘l I- [44: M“ + ZC‘HA)I.A c). Potassium oxalate reacts with iron(lII) acetate to yield iron(Ill) oxalate and potassium acetate. ~§ Feltcl‘ozih m + 61" (LH301 (4'0 4 (7 (LH3DL.LH] ‘7 ' Fe Lu‘lo‘nml Jr (’w‘fil " LLLHJO‘L‘UM c491) Question 3 A solution of KzCr207 is prepared by dissolving 2.335 g of potassium dichromate in 525 mL of water. What is the concentration of the solution? What are the concentrations of the K+ and Cr2072' ions? L ‘ 33 “LL47. 0‘. ( Moi kLULLD.I IQHqtg MICRIO [ODOmL M __.__ [kiltlx 0-0'YRM I lL ) : 0 .Olva.Aq §L§ML ‘ ~ S‘JNQ w your.” + 4 7 W” —% Lk‘mi- C1110j W, 0,0501‘lM CC&LD"-L]2 0.01CILM Question 4 What volume in mL of 2.06 M KMnO4 contains 322 g of solute? j iiM/JOL‘) Mo), : 3 [UM/o.1 K L. M L Z. Moi LL/l/lND‘1 ( lA-Mflo‘l glfjuMNo‘)( \L )1 0"“ ML Yolurfo/v Question 5 What are the concentrations of the ions present in an aqueous solution of each of the following materials: a).0.12MBaC12~——-9 B41) 4. Lcl‘w CRM: 0.11M Carl: 01am b 00125MC so Q C 1* + 50 1‘ ). . u 4 K (M) C (V11) 2 000.0% {$50.11*}: 0.0ng M c). 0.525 M Na2CO3 -—') L A141.“ 7. L 0211*“ [IV/r111 l.0§/V\ Ctogl']:0.§L§/v\ Question 6 A 255 mL sample of a 0.156 M HCl is diluted by taking 25.00 mL of this solution and diluting it with water to a final volume 100.00 mL in a volumetric flask. A 10.25 mL aliquot of this second solution is further diluted with water to a final volume of 125.00 mL in a volumetric flask. What is the concentration of HCl in this final solution? - Fm Dilwlv21§.09»«L( 'L )(U'CémlHH) = sham—3m. loom L W [ODML v SCUM/d Mk)“on 2.5100 xlo‘lml L Question 7 locum. 1L§_UOML . L 13.9933‘10‘1 n M (WAN—L WW (IDDOML) lL _\ \\ Suppose that you have 100.00 mL of a solution of a purple dye and transfer 2.00 mL of this solution to a volumetric flask and dilute it to a volume of 100.00 mL. A 5.00 mL aliquot of this solution is then again diluted to a final volume of 155.00 mL. If the concentration of the final purple dye solution is 1.58 x 10‘4 M, what was the concentration of the original solution? ngo‘ml H~nsowp( IL (WHOM fimu row M ‘— L [OOOML §,DOAL 2 Z.LiS->“DAHM§\ ML 11/ —~_. 100.00ML1301'MIM I M l” Dllvrv‘w’ Lab/1L 0Rf'jiA/Ll 56w l = 3310mm“ M '- 3.!‘1MH03/‘4 Question 8 You have a stock solution of 14.8 M NH3. a). How many milliliters of this solution are needed to make 1250 mL of 0.250 M NH3? IUOML H— alum/uni) : O. 313ml NH, mow-M3 loooML L ‘ 0.29m m; '— HJWL) : u.me Moi b). If 10.0 mL of the stock solution is diluted to a total volume of 0.500 mL, what is the concentration of the final solution? ‘L l o : l0,DML l o-lt‘lBMM/“l'h W (locoML O.SoomL ‘L =1°ILM T TWIN (Mm/MMM 0* TM romcw ...
View Full Document

This note was uploaded on 10/12/2011 for the course CHEM 1414 taught by Professor Slaughter during the Fall '07 term at Oklahoma State.

Page1 / 4

Practice Problem Set 4 KEY F2011 - p CHEMISTRY 1414 FA“...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online