DETERMINE THE THEORETICAL VOLUME OF TITRANT (V theoretical) IN THE QUANTITATIVE DETERMINATION OF SULFANYLAMIDE [239. BMP]. The determination is carried out in accordance with the OFS "Nitritometry" using about 0.25 g (precise charge) of the substance. WEIGHT OF THE ATTACHMENT m(X) - 0.2561 G, T = 0.01722 mg/ml. Choose one answer: O a. 14.9 ml O b. 14.5 ml O c. 6.7 ml O d. 6.6 ml
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- Example (3) :- The Kinehics of hy droly sis of ethyl acetate was Studied in presence Hel by titrating th. reaction Solubon with standard basegmand ( NaoH) at 25 é , the tesults were as foll ows of o.05 M 120 2400 3500 24.36 25.85 2어.32 31.72 Calcutate the fate Constant,what is The order readion ? slafek13.) A mixture containing 50% mole of A is distilled at a temperature T, what is the distillate to residue ratio? А. 1.5 B. 0.33 C. 0.67 D. 2.0 E. 0.50 30 50 60 Mole 5k of AA. For each pair of compounds, fill in the appropriate information needed to distinguish them. Compound that will Positive Differentiating Chemical test sign/s of reaction Compound A Compound B react (А/B) COH Dissolution and (1) rapid bubbling (effervescence) (2) ОН OH NH2 H2N. HO. (3) (4) B Formation of O¯ Na O Na (5) white (6) precipitate Br (7) (8) (9)
- a. Calculate the base saturation using the following given miliequivalent weights obtained from a 25g soil sample (a. Ca++= 2.23 m.e.; b. Mg++=1.32 m.e.; c. Na+= 1.98 m.e.; d. K+= 1.87 m.e.; e. H+= 1.27 m.e.; f. Al+++= 0.11 m.e.; g. NH4+= 2.3 m.e.; h. NO3-= 1.5 m.e. b. Calculate the CEC (m.e./100g soil) using the following given miliequivalent weights obtained from a 25g soil sample (a. Ca++= 2.23 m.e; b. Mg++=1.32 m.e.; c. Na+= 1.98 m.e.; d. K+= 1.87 m.e.; e. H+= 1.27 m.e.; f. Al+++= 0.11 m.e.; g. NH4+= 2.3 m.e.; h. NO3-= 1.5 m.e.Calçulate Hhe selubility iA Mofeach of Hhe Salts BaSoy ksp zliS Xlo(9) 2 MgCofA)2 ksp= 9.0Xld-12) A9CN kse: 2.0X10(-12). Dfes ksp-3-7 xlo(-19) Ag2sksp:1.6x10(-49)A. For each pair of compounds, fill in the appropriate information needed to distinguish them. Compound that will Positive Compound A Differentiating Chemical test sign/s of Compound B react reaction (A/B) LOH Dissolution and (1) rapid bubbling (effervescence) (2) OH OH NH2 H2N он (3) (4) в Formation of white -O Na O Na (5) (6) precipitate
- с C Get Homework He XC | Chegg.com /CHE%203701_2022_TL_101_2022_0_b.pdf 4 a) F7 Question 3 (1) (ii) b) N 1 19/21 - 100% + @ propeny, o donation of it acceptance dominates in this complex! TOVIC explanation of your reasoning. a) P3 & 7 (iii) Question 4 (iv) F8 Which of the following complexes would be stable or unstable? Explain your answer (i) [Fe(CO)3] (ii) [Fe(CO)6] [Fe(NO)s] (iii) (iv) [Fe(CO)2(NO)2] U J Draw the structure of [Co(CO)2(NO)(cot)] where cot is cyclooctatriene. What is the coordination number of the Co ion? What is the hapticity of the cot ligand? Briefly describe the bonding between Co and cot. W Draw the structure of the following antimalarial complexes: (1) Chloroquine Ferroquine F9 8 K F10 A ( 9 F11 X L ) (6 O F12 Help us protect yc x structure c P 1 { + 11 DO Insert PrntScr Delete } 1 O Backspace Enter Desktop Pgu NuNot yet answered Points out o5.0 oueston The following compounds could be separated by which one of the options for Separation of Mixtures: HN HN and Select one: O A. They can't be separated O B. Acid-Base Extraction with NaHCO3(aq) o. Distillation O D. Acid-Base Extraction with HCI(aq) O E. Recrystallizationing 0.03% w/w_of the same drug, who would be the percentage strength (wh) a of of the mixture? 23. A physician prescribes an suspension to contain 100 mg of corti- at n ophthalmic st sone acetate in 8 mL of normal saline solution. The pharmacist has on hand a (2.5% suspension of cortisone acetate in normal saline solution. How many milliliters of this and how many milli- le S liters of normal saline solution should b be used in preparing the prescribed sus- pension?gorq ww.Ps-3/9rie 24. R Benzalkonium Chlorda
- 2. 1.0843 g of 8-hydroxyquinoline complexes of Mg and Al are present in a sample mixture. A residue of Al;O; and MgO weighing 0.1344 g were found present after the sample is ignited in an open air furnace. Find the weight percent of Al(C,H6NO); in the original mixture. N Al + hcat Mg of Al,0, + MgOWhat is the mdarity of a Jolution prepared byusing 25a of Nači in le50mlof solution Na el a2.99+35.45 58.449. Suggest a method for the quantitative determination of calcium chloride in the Calcex preparation (hexamethylenetetramine + calcium chloride):A) ArgentometryB) Acid-base titration in aqueous mediaC) Acid-base titration in non-aqueous mediaD) Complexometry