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- What is the molar fraction of glycine in an aqueous solution whose concentration is 0.140 molkg-1. Data: Mass H2O = 1 kg; M.M. H2O = 18.01 gmol-1.(n) (0)" (p) (0) (s) (t)# (u) ol M00, НО. "gre OH "NH₂ OH H₂N OH oⒸ/NaⒸ HCI/H₂O (excess)/A Aspirin (acetylsalicylic acid) 1₂ li Acetylcholine chloride ? A 225 °C (sublime) -[H₂0] [H₂Cro] CrO₂/H,0 H₂O/acetone H₂O H₂O warm then, dil H₂0¹ work-up H₂SO, (cat.) H₂0/A Hạo, Acetylcholinesterase 3C B) C) D) E) (C6H5)3P NH₂ Zn(Hg) HCI ۵۰۰ NaOH heat DMSO 1. Excess CH31 2. Ag₂O, H₂O 3. heat -O 53% 35°F Cloudy 12
- Hexanoic acid was added to an immiscible biphasic solvent sysem, water and CCl4 at 20.0OC and the equilibrium concentrations of hexanoic acid were determined to be 3.66 g/L in H2O and 67.0 g/L in CCl4. Caluclate the distrubution coeffiecent (D1) of hexanoic acid in CCl4 with respect to water.we dissdve 350ml volumetric Flask.LWe call this sdlution (S) oa of hydrated cupric sulfate (cusoy.5H,0 in given.molar mass launol ). Cu:64 S-32 H+ 1 1. Write the equation of dirsociation of hydrated cupric sulfate in water. 12. Calculate the molar mass of hydrated cupric sulfate. 1.3. Determine the molar concentration of (S). 14. Deduce it's mass concentiation. 1.5.1ist te materials used. 16. Write the procedure of preparting (5).It was found that solubility of benzoic acid in water at differont temjperatures Was aceording to the follewing tuble. Tc 6 0 40 30 Logs 1.20 Jimol 1.415 1.58 1.77 calculate tne Valux of the chanye in enthalpy graphically?
- -2 The PPm Concentration of 4.5 *la M Solution off Lif is I1940fやPm D 196. PPm 3 1950 PPmsolute Which is the better solvent? H,0 H NH,NO, H H H. CH;(CH,),OI NaCl CH,OH H,0 KCI Su Continue © 2022 McGraw Hill LLC. AIl Rights Reserved. Terms of Use| Privacy C IICEA a Ama W CEA zoom HMAC=4f5e010fa2b0f09f550afc98d120614d#10001 e URL Part B Given the two reactions Hyd 3. PbCl2 (aq) = Pb²+ (aq) + 2Cl¯ (aq), K3 = 1.81x10-10, and 4. AgCl(aq) = Ag+ (aq) + Cl¯(aq), K4 = 1.21x10-4, what is the equilibrium constant Kfinal for the following reaction? Kfinal Submit Express your answer numerically. ►View Available Hint(s) 0 0 CEA | Fun | OpF | Opr| Sch | G bes Cro VE ΑΣΦ MacBook Pro PbCl₂ (aq) + 2Ag+ (aq) = 2AgCl(aq) + Pb²+ (aq) P Pearson ? < IX □ ☆ + 5 of 16 Review I Constants I Periodic Table EN 0
- calkulate Hhemolar Solubiliky of pbl (kse s.o X167) in Awater the( 12 (050) d. O A1013 2). H₂SO₂, KNO₂ 3). Fe Brz, Brz il → Na Bhy Ck30k H₂ > Pt Mild Cond Li AIMY THE Ho1-Pentanol to 1-bromopentane Chemicals: - 60ml Conc. Sulfuric Acid - 100ml Saturated Sodium bicarbonate - 65ml 1-Pentanol - 78g sodium bromide - Distilled water - 58.42g 1-Bromopentane 1-Pentanol Sodium Bromide Sulfuric Acid 1-Bromopentane Formula C5H12O NaBr H2SO4 C5H11Br MW (g/mol) 88.15 102.894 98.078 151.04 Density (g/mL) 0.811 3.21 1.84 1.218 Boiling point (*C) 138 1,396 337 130 NaBr(aq) + H2SO4(aq) -> NaHSO4(aq) + HBr(aq) CH3(CH2)4OH(aq) + H+ Br- (aq) CH3(CH2)4OH2 (aq) + Br-(aq) CH3(CH2)4OH2 (aq) + Br-(aq) CH3(CH2)4Br(aq) + H2O(aq) How do I calculate the percent yield and identify the limiting reagent?