Chem.125-126: Sept.17-23Agenda One hour discussion of E1(Questions, p.48) Two hours of E2; E2 = two session 5 hour labPreparation Pre-lab Report (p.63) for E2 completed Discussion Presentation for E1 completed Pre-lab reading and studies for E2 completedE1:Discussion Preparation Refer to the discussion grading rubricks, pp. 46-47. Refer to the discussion information, page 233 andposted on CTools. Send presentation to GSI and obtain feedbackE2: Electrons and Solution Color Session 1: Two Hour Lab Agenda* Complete Part 1(Solution preparation) Complete Part 2 Prepare Part 4 (Solution dilutions) or startPart 3 as indicated by GSI * See Student Information Sheet on Ctools.Session 2: Three Hour Lab Agenda Complete Parts 3, 4, and 5E2: Electrons and Solution ColorIs salt solution color predictable based on:• the position of the metal ion’s element in theperiodic table?• the metal ion’s electron configuration (Fig. 3, p. 223)?• the metal ion’s ionic radius (Ionic Sizes, p. 255)?• Its absorption and transmission of visible light?Goals: See discussion questions (p.73)Part 1. Preparation and Color of Solutions1H+Hydrogen IIIA IVA VA3Li+Lithium4BeBeryllium11Na+Sodium12Mg2+Magnesium IIIB IVB VBVIBVIIBVIIIB ! VIIIB IB IIB13Al3+Aluminum19K+Potassium20Ca2+Calcium21ScScandium22TiTitanium23VVanadium24Cr3+Chromium25MnManganese26Fe3+Iron27Co2+Cobalt28Ni2+Nickel29Cu2+Copper30Zn2+Zinc31GaGalium32GeGermanium37RbRubidium38Sr2+Strontium39YYitrium40ZrZircon-ium41NbNiobium42MoMolyb-denum43TcTechnetium44RuRuthenium45RhRhodium46PdPalladium47Ag+Silver48Cd2+Cadmium49InIridium50Sn2+Tin51SbAntimony55CsCesium56Ba2+Barium57La*Lanthanum72HfHafnium73TaTantalum74WTungsten75ReRhenium76OsOsmium77IrIridium78PtPlatinum79AuGold80Hg2+Mercury81TlThallium82Pb2+Lead83BiBismuthTeams prepare solutions with different metal ionsRecord the color of solutions.Solution Color Solutions with ions of the same metal element withdifferent ion charges may have different colors.DEMO: V2+ vs. V3+ etc.1H+Hydrogen IIIA IVA VA3Li+Lithium4BeBeryllium11Na+Sodium12Mg2+Magnesium IIIB IVB VBVIBVIIBVIIIB ! VIIIB IB IIB13Al3+Aluminum19K+Potassium20Ca2+Calcium21ScScandium22TiTitanium23VVanadium24Cr3 +Chromium25MnManganese26Fe3+Iron27Co2+Cobalt28Ni2+Nickel29Cu2+Copper30Zn2+Zinc31GaGalium32GeGermanium37RbRubidium38Sr2+Strontium39YYitrium40ZrZircon-ium41NbNiobium42MoMolyb-denum43TcTechnetium44RuRuthenium45RhRhodium46PdPalladium47Ag+Silver48Cd2+Cadmium49InIridium50Sn2+Tin51SbAntimonyPeriodic Table with common metal ion charges.Salt solution preparationCalibration lineVolumetric flasksChem.125/126 Mascot__________________________________________________________Moles and the Periodic Table? ?National Mole Day: October 23. Why?1 H1.0083 Li6.94011 Na22.99119 K39.10037 Rb85.4855 Cs132.9187 Fr(223)4 Be9.01312 Mg24.3220 Ca40.0838 Sr87.6356 Ba137.3688 Ra226.0558 Ce140.135 B10.8213 Al26.9831 Ga69.7249 In114.8281 Tl204.3990 Th232.056 C12.01114 Si28.0932 Ge72.6050 Sn118.7082 Pb207.217 N14.00815 P30.97533 As74.9151 Sb121.7683 Bi208.98 O15.99916 S32.0634 Se78.9652 Te127.6184 Po(209)9 F19.0017 Cl35.45735 Br79.91653 I126.9185 At(210)10 Ne20.18318 Ar39.94436 Kr83.8054 Xe131.3086 Rn(222)2 He4.00321 Sc44.9622 Ti47.9023 V50.9524 Cr52.0125 Mn54.9426 Fe55.8527 Co58.9428 Ni58.7129 Cu63.5430 Zn65.3839 Y88.9240 Zr91.2241 Nb92.9142 Mo95.9543 Tc(99)44 Ru101.145 Rh102.946 Pd106.447 Ag107.8848 Cd112.4157† La138.9272 Hf178.5073 Ta180.9574 W183.8675 Re186.2276 Os190.277 Ir192.278 Pt195.0979 Au197.080 Hg200.6189†† Ac(227)104 Rf(261)105 Ha(262)106 --(263)59 Pr140.9260 Nd144.2761 Pm(145)62 Sm150.3563 Eu152.3564 Gd157.2691 Pa(231)92 U238.0793 Np(237)94 Pu(242)95 Am(243)96 Cm(245)65 Tb158.9397 Bk(249)66 Dy162.5167 Ho164.9468 Er167.269 Tm168.9470 Yb173.0471 Lu174.9998 Cf(251)99 Es(254)100 Fm(255)101 Md(256)102 No(254)103 Lr(257)1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18Where are moles represented on the periodic table?Mole= mol = 6.02 x 1023 item= atomic wt (g) = formula wt (g)1 H1.0083 Li6.94011 Na22.99119 K39.10037 Rb85.4855 Cs132.9187 Fr(223)4 Be9.01312 Mg24.3220 Ca40.0838 Sr87.6356 Ba137.3688 Ra226.0558 Ce140.135 B10.8213 Al26.9831 Ga69.7249 In114.8281 Tl204.3990 Th232.056 C12.01114 Si28.0932 Ge72.6050 Sn118.7082 Pb207.217 N14.00815 P30.97533 As74.9151 Sb121.7683 Bi208.98 O15.99916 S32.0634 Se78.9652 Te127.6184 Po(209)9 F19.0017 Cl35.45735 Br79.91653 I126.9185 At(210)10 Ne20.18318 Ar39.94436 Kr83.8054 Xe131.3086 Rn(222)2 He4.00321 Sc44.9622 Ti47.9023 V50.9524 Cr52.0125 Mn54.9426 Fe55.8527 Co58.9428 Ni58.7129 Cu63.5430 Zn65.3839 Y88.9240 Zr91.2241 Nb92.9142 Mo95.9543 Tc(99)44 Ru101.145 Rh102.946 Pd106.447 Ag107.8848 Cd112.4157† La138.9272 Hf178.5073 Ta180.9574 W183.8675 Re186.2276 Os190.277 Ir192.278 Pt195.0979 Au197.080 Hg200.6189†† Ac(227)104 Rf(261)105 Ha(262)106 --(263)59 Pr140.9260 Nd144.2761 Pm(145)62 Sm150.3563 Eu152.3564 Gd157.2691 Pa(231)92 U238.0793 Np(237)94 Pu(242)95 Am(243)96 Cm(245)65 Tb158.9397 Bk(249)66 Dy162.5167 Ho164.9468 Er167.269 Tm168.9470 Yb173.0471 Lu174.9998 Cf(251)99 Es(254)100 Fm(255)101 Md(256)102 No(254)103 Lr(257)1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18Mole of H2O = _____grams?Molar Reflections* Yesterday I took a drink of water And something strange happened in my head I made an actual connectionWith something that my chemistry teacher saidI could visualize lots and lots of moleculesMovin in the water to and fro…and then I thoughtIf I just drank 18 grams of waterI just drank aMolar reflections, my mind is running freeMaking connections between the world and chemistryA mole is more than a number, more than just a wordIt’s an amount that’s equal to*Mike Offutt©20026.02 times ten to the twenty third!mole of H2O!Moles and Solution Concentration# M = # Molar Solution# = moles per 1000 mL of solution or mmoles per mL of solutionExample:2.0 M NaCl contains 2 moles NaCl per 1000 mLor 2 mmoles per mL of solutionSalt solution preparation• Read the reagent label for the salt sample CuSO4• 5 H2O CuSO4DEMO= Hydrated copper sulfate= anhydrous copper sufateSalt solution preparation• Determine the mass of a mole of the salt CuSO4• 5 H2OAnswer______________________________________= Hydrated copper sulfateSalt solution preparation• Determine the mass of salt needed to prepare100 mL of 0.10 M