3, "The DeNo) valurin [ Ru (up), (ni) x]" are x - MecN, z:3, VNo = (970 cm!! X=cl, Z=2, VCNO1927 cm? , Explain and comment on u eleelophi lile belhaviour 3 condinated No fom Ihese sesults.3
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- Data Mass of unknown metal Cark te ?l.005g Volume of uniknown solotion CmL) Volume of HCI added Inital burct readinglmL) Final buret reading (mL) 20.00ML (mL) 15.00mL 20.SSmL 30.90ML Volume Na OH delivered (m L) Concentration of HCI: O.1708M Concentrahon of NaOH: O.1000M * Pipetted 10.35mL 20.00mL Of solution prepared in 250.0 mL volumetric flask Questions', 1. Calalate the number of moles of Na OH used for back titration? 2. Calculate the number of moles moles of metal carbonate present in 20.00mL portion of the metal Carborate soltion? 3. Calculate molar masS of 3.Calculate in knon metal carbongte: Egbabl Qe A Solution is Prefared Tby dissdlving 6g AgNoz ina 250-ml Volumetric Hask and diliting the molaurity of the Silver nityate Solution How to Volume. alculute Many millimoles Ag No3. Were dissalved7 twt Ag Noz 169-9HatH4)ConsiteR the following Beaction: Pa,t 8 H,0→ Hy POqt 3 HCl IP 12.49 of | 10.09 of Hy O, what is the limiting Ctrl PCI, is PeacteD witn T0.0g Peactant ? Molar nhass of Pelg: 137.329/mel. holarmass of HoO=18:0291 mel malar mass of Hy POz =¢2.00 glmol molar mass of HCl= 35.4A16 glmel. %3D
- For each case below, suggest a plausible formula of the type CnHxOyNz: (a) Nominal mass of M1 5 79; (M 1 1)/M1 5 5.9% (b) Nominal mass of M1 5 123; (M 1 1)/M1 5 6.1% (c) Nominal mass of M1 5 148; (M 1 1)/M1 5 7.4% (d) Nominal mass of M1 5 168; (M 1 1)/M1 5 12.5%K/sll.l 9:06 hw.pdf > Hw () Detevmine the melarity f e-ch of the foiloming W 1.5 mol kcl in l.SLof Salutn o.5 gm f Hz Sou inIL soo mL : sdusio- 20 gm of AI( No3), in 2.25 kg of Cusoy in l.45 Lot solution O o.006 mol. of Br, in lomL of sole O. v0075 gm of C Hs Noz in 1.usmL of solution Hint. The atomic numbers usedin the above Problem ave O= 16 Cu: 29 Br: 35 K= 19 S: 16 Al: 13 N = 7text Nu Whe ofect wokl hgh presure have on the proketon of NOg? Why? 4 Wharwoud be the efat of ach of the fulowing on the equilbrium iimvolving the reacion o coke (C (s) when e prokre CO and H C) H,0) cog)+ H,(E) Akten of steam An increase in pvessure Removal of H as it is prodced Akng a catalst S he birding of axygen to hemagbbin (abbreviated Hb). giving oxyhemogldbin (HbO,) s partially glaed by he compk ad tcan be summarized as bolows: contraon of H and CO, in the blood. Although the equilibrum is very HbO, H CO, co,HbH + o, Accordg to Le Chaelers Princpe what wauld be the effect of each of the following on the squban? a The produc on of ac acid (whch contairs Hr) and CO, in a muscle during vigorous exercise? ng besh oxygen aiched a?
- (i) (ii) (iii) (iv) 'I OMe HO H g H N Me Br SnMe3 OSiMe3 CHO OH NaNH, NH3 (1) Phl, Pd(PPH3)4 THF, reflux 1. Ph3P=CMe2 2. "Bu4NF 3. H30 + CH₂12, Zn C C₂H₂NO D C₁1H₁1N E C10H16O F C15H26O2C Solubility of potassium nitrate in water Sample calculation of the solubility (show work for trial 1): Trial Solubility of KNO3 | [g KNO3/100g H20.] = || ||| IVE Result O Grades O CP Refe O Grades ||Co Χ G A mixtu 6 Modul M Roux Li 6 Your SI M Inbox ( + bnc Your St & Cle 4 envellum.ecollege.com/course.html?courseld%3D16985674&OpenVellumHMAC=Dd20f081859e6de97f65e31513d4bfdc9#10001 I Review | Constants | Peric Consider the following reaction: 2SO2(g) + O2(g) → 2SO3(9) Part A Part B What is the theoretical yield of SO3? nso, mol Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Part C If 181.9 mL of SO3 is collected (measured at 318 K and 50.8 mmHg ), what is the percent yield for reaction? P Pearson to search 74°F Cloudy O O 4)
- Q| 500 mg of dissolVed in water. the Calcium content of the Sample is precipitated as CaNHPOy.6H2O and ignition and weighed as Car P Ou .if the Sample weight is 200 mg.calculate the Percentage of ana ly te in the S amp le Sample Coutaining Ca, has been Ca = 4o CazPO4 = 126. CaNHupon.6 HzO =261 %3DA^ A B Av • E E EV ... Example 3: When a 5.00 g sample of commercial sodium bicarbonate (baking soda ) was treated by volatilization gravimetry the mass of CO, absorbed by the NaOH tube was 2.40 g. Calculate % NaHCO, in baking soda sample.