Balloon Volume of 1M Mass of lacetic acid colour NaHCOз (9) CH3COOH (mL) Pink 25.0 |4.20 Which reagent is limiting? explain your answer above, providing evidence from your observations and reasoning.
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- C Solubility of potassium nitrate in water Sample calculation of the solubility (show work for trial 1): Trial Solubility of KNO3 | [g KNO3/100g H20.] = || ||| IVTiame tests, the yello w colour oT sodium lons can mask the coIour of otner lons. Explain why blue glass is used to ldentity ions in the presence of sodium. Saved Normal B|I|U fx | | D E li Delete column(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 C15H26O2
- : 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 169-9Hat6. The mercury in a 0.839 g sample was precipitated with an excess paraperiodic acid, H¿IO, 5Hg + 2H,IO, → Hg;(IO,); + 10H The precipitate was filtered, washed free of precipitating agent, dried and weighed, 0.3408 g being recovered. Calculate the percentage of Hg,Cl, in the sample.2. In one gravimetric analysis, the aluminum in a 1.2g sample of impure NHAI(SO4)2 was precipitate as hydrous ALO3.XH2O. The precipitate was filtered and ignited at 1000 °C to give anhydrous Al2O3 which weighed 0.1798g. Calculate the % Al inthe sample. 3. A sample of 0.4500g impure potassium chloride was dissolved in water treated with excess silver nitrate solution. 0.8402 g of silver chloride was precipitated. What is the percentage of potassium chloride in the sample?
- A 0.64 g sample containing KCl ( mw = 74.6 ) is dissolved in 50mL of water and titrated to the Ag2CrO4 end point, requiring 26.2 mL of 0.15 M AgNO3 .The %w/w KCl in the sample is ?< Week 8-1 X Week 8-1 X C 2 https://app.101edu.co K Formula Bara | PDF: SIF: Caf + 1 - 131 Sunny A Z "7 S ALEKS-13 x A ALEKS-Ti A ALEKS-TX Week 8-1 X m X Ksp 1.7 x 10. 36 x 10 - 4.3 x 10 3.5 x 10- x - Exam No.: x co DESU Calc X(427) mam xLog In | Fe x # Q Search Question 8 of 16 Which of the following salts would have the greatest solubility in water? _____________ __________ S L hp الالا alt A) BaF₂ B) PbF₂ C) SrF₂ D) CaF₂ ال A ctri لا pause < G Aktiv Chen a backspace X ● ه به enter GWhich oft X+ 3 T ما دیا ... T shift end 1 7 home 1 A ے h 1:01.5g sample contains sulfur S (aw=32) has been dissolved. The sulfur is precipitated as BaSO4 (mw = 233). If the weight of the precipitate is 0.65g the percentage of sulfur in the sample is
- Show complete solutians for eoch problem. A dcientiet from tasked to exthact Fe suspensionthat contains 10e g of Fez0s. The was an steps detail the transformation of Fez Os ag) te elemental iron. I. Enough sulfur trioxide bubbled _to FezO3_aguour gasuas Mar suspension I Then, 5.00 M nitrict acid to completely yield fernie sulfate . was added to ferrie sulfate yielding aguour solution of feuie nitrate. I Evess magnesium posder. was addedtothe solution of feuic nitrate precipitating aqueous the solid iron. A. Waite the balanced chemical reaction chermical reaction for (I),(I). (Im. De nat forget de indicate the states of the reactantsand products (s,1.g) B.) What is mass of the iron ? Expess the answer in 3 Mgnificant figures c) High concentution HCl the last part of the procedune. Briefly state its and the type of the final . it suppered to be added at pupere. CS Scanned with CamScanner- 144 / Natural Sciences / Chemistry And Polymer Science / Chemie zzes / Oplossingsewewig | Solubility Equilibria A solution contains 0.002 M Ag* and 1.6 x 105 M Zn2*, and the ions need to be separated. For this purpose co- is added to the solution so that both Ag,CO3 (Ksp = 8.1 x 10-12) and ZnCO3 (Ksp = 1.0 x 10-10) can precipitate from the solution. What will the concentration of co; be just before the first salt starts to precipitate. (Please give your answer with 2 significant figures.) Answer Checkm/ilrn/takeAssignment/takeCovalentActivity.do?locator=assignment-take OWiv |Awgnment | Fir X OWI2 | Orline teaching x [Review Topics] [References] Use the References to access important values if needed for this question. The equilibrium constant, K., for the following reaction is 1.80×104at 298 K. NH,HS(s) NH3(g) + H,S(g) If an equilibrium mixture of the three compounds in a 5.08 L container at 298 K contains 2.00 mol of NHLHS(s) and 0.339 mol of NH3, the number of moles of H,S present is moles. Submit Answer Retry Entire Group 7 more group attempts remaining Previous Next 11:2 10/15 ho 112 prt sc delete home