Reagent Table:Reagent proMolarequilamentsSabicbeade/M.W. (Mammal equilamentsSalcylamide 137.1 mg/mmol 1.0Sodium Iodide (val) 149.9 mg/mmol 1.15SodiumHypochlorite 57% 74.44mg/mmol(Nara)951 Ethanol NW SolventmmolesImmotes14.6mm16-79mmolWeightgrams or VLCm292.52g1.207: 17.52mmol17.52 mmol 22.88mL40m² AЛьA

Understanding the TableThe table appears to be a laboratory reagent table, detailing the specific…

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Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter13: Titrations In Analytical Chemistry

Section: Chapter Questions

Problem 13.13QAP

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Zine oxide ointment contains 159 of zhe oxide mixed with 85gof simple ointment. you repuine on ointment with 13% zine axide. ß huow would you need to add to 220g How momy g of simfle ointment of zine oxide ointment APF to ointment containing 18% make a चाट वरादe
A 0.501 g sample of sulfathiazole was assayed usingdiazotization with 0.1905M NaNO2 VS, using 18.7 mLof the titrant. Each mL of 0.1 M NaNO2 is equivalentto 25.53 mg of C9H9N3O2S2. What is the % purity?
2. In a laboratory experiment you react 20.0 mL of 25% by mass C2H&N2 with 8.000 NiCl2.6H20 to obtain the product Ni(NH2CH2CH½NH2j3Cl2 complex. The C2H3N2 solution used in this experiment is 25.0% by mass, with a density (d) of 0.950 g/mL. (MW NICI2.6H2O= 237.69 g/mole, MW C2HgN2=60.10 g/mole, MW tris(ethylenediamine)nickel(II)chloride = 309.89 g/mole) a. Write down the balanced equation of the synthesis. b. Determine the number of moles of each reactant that you use. c. Determine which reactant is the limiting reactant, giving your reasoning. Show all your work to get full credit. (5 points) d. Calculate your percent yield if the dry product weighs 7.000 g.
Give a clear handwritten answer with explanation
ProvidethecanreetuPACname OMC
TWhich of the folle solution? Choose the will more more likely is added to the гад likely form when answer my. EDTA - Compter ca - EDTA - Compler 3. - my In- Cain. tathich of the following clour of metads is more 9 to form complex molecules with Lifand? す。 Alkalimetats 2. Alkali earth Transition metode none of these 3₁ 4. Likely
0.004343 moles of acetic acid were obtained from titration of an 10.00 mL sample of vinager. Approximateky what percent of this vunager samole is acetic acid.
Yerleştirme Görüntü Paylaş Pencere Yardım Report Fe spectro 2 %125 Ekle Tablo Grafik Metin Ortamlar Yorum Answer the following questions. 1) The 40 mg/L Fe stock solution was prepared with iron (II) ammonium sulfate hesahystoate [Fe(NH.):(SO.):(H;O)«] rather than with iron (II) chloride [FeCl:). What is the reason of this choice? 2) For convenience, several glass or quartz cells are generally used spectrophotometrie analyses; these cells should be "matched" with regard to their.optical properties. a) Why they should match with each other? b) Suppose one of the cells has a light path that is slightly longer than the usual 1.00 cm. How would this affect the results of an analysis if the defect was not recognized? c) Explain how the "unmatched' cell problem can be solved? 3) Draw the scheme of single bcam spectrophotometer and state the function of each compartment sepcrately.
A spectrometer was used to measure the light absorbed by three standard solutions containing different concentrations of K2Cr207. The following data was obtained. [Cr] (ppm) Absorbance 5.1 0.162 10.0 0.320 14.9 0.486 The equation of the straight line generated using the method of least squares is: O a. y = 30.24x + 0.242 O b.y = -0.0086x + 0.0331 C. y = 0.0331x - 0.0086 O d.y = -0.1086x + 0.0231
A solution of tryptophan has an absorbance of 0.64 at 280 nm. Given with of 6.04 x 103 Msolution of tryptophan and path length of 0.5 cm. What is the molar absorptivity oftryptophan?
Below is visible light spectrum and the UV-Vis spectrum for a cobalt (II) solution. Determine the color of a cobalt (II) solution? Epsilon is molar absorptivity and lambda is wavelength in nanometers. 740-625 625-590 590-565 565-520 520-500 500-435 435-380 Wavelength (nanometers) Co 3. 300 400 500 600 700 800 A. pink to violet B. Orange to yellow C. Blue to ligght blue D Green to yellow
made upetement Zazum Adomica Abmcmas rop 418.28 Specific heat 19.42 173 13

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