Benzene-Kerosene solution has concentration of 95 vol% kerosene. What is the benzene-kerosene mass ratio? Sp.gr. kerosene 0.81, Sp. %3D gr. benzene = 0.876
Q: How much 1.0 M sodium bicarbonate solution (in mL) is needed to stoichiometrically react with 25 mL…
A: Molarity of sodium bicarbonate solution = 1.0 M Volume of acetic acid solution = 25 mL Concentration…
Q: prepare ( 0.3 M ) of HCl in 250 ml water, when you know Sp.Gr=1.18 and % = 36% . At.Wt / H=1 , Cl=…
A: Given = Specific gravity = 1.18g/mL Mass % of HCl = 36 % Molar Mass Of HCl= At Wt. of H + At. Wt. Of…
Q: Consider the following information: Ksp(BaSO4) = 1.1 x 10-10 Ksp(CaSO4) = 4.9 x 10-5 Ksp(PBSO4) =…
A:
Q: 1. A solution of HClO4 was standardized by dissolving 0.4008 g of primary-standard-grade HgO in a…
A: 1). Given : Mass of HgO = 0.4008 g Volume of acid consumed = 43.75 mL Convert mL into L as follows.…
Q: Q1:- what is the solubility (s) for Ag3PO4, if you know that Ksp for Ag3PO4 = 1.4 x 10-8 ? Q2:- what…
A: Ag3PO4 and Car(PO4)2 are sparingly soluble salt.
Q: 1. A 0.68 gram sample of a volatile liquid was heated to 358 K. The gas occupied 265 mL of space at
A: Note: Dear student as per the guidelines only the 1st quetions is allowed to answer. from ideal gas…
Q: Stock solution and dilution materials: 500mg ascorbic acid (powdered) and 2L distilled water Solve…
A: Mass of ascorbic acid (C6H8O6) = 500mg Vol. Of distilled water = 2L Mol. Mass of ascorbic acid =…
Q: What is the molarity of an unknown HCl solution with a specific gravity of 1.10 and an assay…
A:
Q: 1. What mass (in g) of MnSO4•H2O is needed to prepare 50.0 mL of 350. ppm MnSO4 (d=1.00 g/mL)? (a)…
A: We know that, ppm = (mass of solute/volume of solution)x106
Q: I. Data & Results 4.0 mglmL Concentration of stock solution (include units): Table 1- Beer's Law…
A: concentration of stock solution = 4mg/mL A. 8mg/mL 0.084 B. 16mg/mL 0.173 C. 24mg/mL…
Q: IA student mixed 10.0 ml of 0.02 M H2SO3, 90.0 mh distilled water, aud 10.0 mL of 0.025 M Kl03. What…
A: Given that : Molarity of H2SO3 = 0.02 M Volume of H2SO3 = 10 mL Molarity of KIO3 = 0.025 M Volume of…
Q: Q1 H2CO3 = HCO3 Carbonic anhydrase co, dissolves in plasma Carbonic acid Bicarbonate ion co H0-H,co.…
A:
Q: A mixture of pure BaCO3 and pure Na2CO3 weighs 1.000 g and has the total neutralizing power of 15.37…
A: the solution is shown below
Q: What is the relative supersaturation of Ag2S04 if its concentration at a given instant is 0.0750 M…
A: The relative supersaturation of a slat is calculated using the following formula: RS =…
Q: The Ksp of Pb3(PO4)2 is 1x 10-54.Calculate the solubility (in g/L) of Pb3(PO4)2 in 0.00025M…
A:
Q: What is the solubility of CdS (Ksp = 1.0 x 10-28) in pure water? Group of answer choices 1.0 x…
A: The solubility reaction is CdS (s) -----> Cd2+ (aq) + S2- (aq) Hence Ksp = [Cd2+][S2-] where…
Q: A 500.00 mg vitamin C (MW176.12g/mol) tablet was ground, acidified, and dissolved in H20 to make a…
A: KIO3(aq) first forms I2(aq), and the I2(aq) reacts with vitamin C (C6H8O6). Hence the required mole…
Q: Determination of the ppm Fe in a water sample using the iron-phenanthroline method. Presence of…
A: Given: Determination of the true concentration ppm (Fe) in a water sample using Iron-phenanthroline…
Q: В + с hot acidified permanganate solution 1. Hg(OAc)2/THF-H2O NBS/ hv in CCI4 A 2. NABH4/OH compound…
A: NBS is a allylic brominating agent. It causes bromination at allylic position. Hg(OAc)2/NaBH4/HO^-…
Q: A 500.00 mg vitamin C (MW176.12g/mol) tablet was ground, acidified, and dissolved in H2O to make a…
A: The amount of vitamin C (ascorbic acid) present in the sample can be determined by iodometric…
Q: Calculate the molar concentration of the nitric acid if you know that specific gravity is 1.42 and…
A: Given, Specific gravity = 1.42 , Solution concentration = 0.4 M volume of water = 100 ml
Q: Prepare 0.1 M solutions of NaOH and 0.1 M ethyl acetate using high-purity distilled water. So,…
A: 0.1 M NaOH solution means in 1000 ml water present 0.1 mol NaOH. Againg we know that, mol= required…
Q: 12. In IR analysis, solid samples are prepared in KBr pallet O O Thin film O Nujol Mull Organic…
A:
Q: Q1 / Prepare one liter of 0.1N solution of H2SO4 concentrated if density is 1.84 and percentage is…
A:
Q: Model 3 The Model: Dilution Process of dilution: add solvent to conc. soln. x X хх "concentrated"…
A: Solution after dilution will have lower concentrations and the concentration can be find by formula…
Q: Chloroform liniment contains 30% (v/v) of chloroform. How many mL of chloroform liniment can be…
A: Chloroform liniment contains 30% (v/v) of chloroform. 1 lb = 454g
Q: 4. C4H;O2 DEPT CH, CH,t CHA proton decoupled solvent 200 160 120 80 40
A:
Q: A solution contains 6 umol Na2SO4 in 284 ml. How many ppm Nat does it contain? A.W Na=23 S=32 0=16…
A: The concentration in ppm is calculated as the ratio of grams of solute and the volume of the…
Q: lalculate the kf of cyclo hexane using the treezing point of cyclohexane 6502 and benzophe none 4°C…
A: Given that - Freezing point of cyclohexane solvent = 6.50°C Freezing point of Solution = 4°C Mass…
Q: Calculate the amount of caffeine extracted by the first 25.0 mL portion of dichloromethane.…
A: Given data: Amount extracted = 1.50 grams of caffeineThe volume of the aqueous layer Va= 200.0…
Q: The Ksp of Fe(OH)3(s) is 3 ×10-39. What concentration of Fe3+ can exist in pure water? A. 3…
A: We know that Fe(OH)3 dissociates as Fe(OH)3 --> Fe3+ + 3OH-Therefore we get the solubility…
Q: H. ОН PCC .COOH COOH or Na,Cr,0/ OH HNO, or HOAC KMNO, or NaOCI Cyclohexanol bp 161.5°C, den. 0.96…
A: The required mechanism is shown below Here initially oxidation of secondary alcohol to a ketone…
Q: Calculate the saponification value.
A:
Q: What is the percentage purity of acetic acid if 2.6 grams required 32.5 ml of 0.994 N NaOH solution…
A: Acetic acid is monobasic acid and NaOH is monoacidic base. Hence for both of them normality =…
Q: alculate the molar concentration of a 20.0% solution (w/w) of KCl that has a specific gravity of…
A: Specific gravity of any subsstance can be calculated by multiplying density of that substance with…
Q: 205g PBr2 dissolved in 12.5g H2O is considered to be
A:
Q: A 500.00 mg vitamin C (MW176.12g/mol) tablet was ground, acidified, and dissolved in H2O to make a…
A: We have given Total volume of solution = 250 mL Mass of Vitamin C tablet = 500 mg = 0.5 g Volume of…
Q: A 500.00 mg vitamin C (MW176.12g/mol) tablet was ground, acidified, and dissolved in H2C to make a…
A: Solution: We know the Iodometric titration, Since iodine is used as oxidizing agent. So in the case…
Q: 750 wwi.f Hy 1o0% collectron efficenly
A: Given: Concentration of methane given = 25 µg/mL.
Q: The solubility of benzoic acid at 95 deg C is 68.0g/L. Calculate the maximum amount of benzoic acid…
A:
Q: Prepare 100ppm of Cd (NO3).4 H2O in a 500ml
A: Given information, Concentration (in ppm) = 100 ppm Volume of solution = 500 mL
Q: 3.) Express in ppt.ppm, and ppb fra fion the conce n of 250 g salt solution with 0.0045 9 salt…
A: Given, Mass of salt dissolved = 0.0045 g Mass of salt solution = 250 g Required,…
Q: 1. Prepare a fresh stock solution of 50 cm3of 0.2% ascorbic acid. 2. Prepare 5 standard solutions…
A: 0.2% solution is equivalent to 2mg/mL. Since, the stock solution has to be 50cm3 , i.e. 50mL. For…
Q: 3. 25.00 mL of Saturated Solution of KHTar that already contained 0.10 M KCl: NaOH Volumes: Final…
A:
Q: All three compounds are slightly soluble in water. For each compound determine the following: PbS…
A:
Q: 2. Consider the compound X-it has a Ka of 2.5 between ether and water, You are presented with 10…
A: Kd = concentration of X in ether / concentration of X in water = (mass of X in ether / volume of…
Q: Conien Some options in which find the me most soluble Soluble (dessolving caulibrum) (1) Casoy Ksp =…
A:
Q: An unknown sample of Cu2+gave an absorbance of 0.262. Then 1.00 mL of solution containing 100 ppm…
A:
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 1 images
- Br 1. Mgº, Ether 2. CO₂ 3. H3O+ 1. HBr, H₂O2, hv 2. Mgº, Ether 3. H 4. H3O+ (mild) 5. PCCA pharmacist adds 1 pint of Alcohol USP (95% ethanol) to a 1L of a mouthwash formula. What is the new percentage of alcohol present if the original mouthwash was labelled as 12% viv ethanol? O a. 38% Ob.45% Oc. 40% Od. 35% O e. 30%Multiple choice questions. Pick the right answers Benzene is one of the Toxic Air Pollutants (TAPS) found in car exhaust fumes When a 50.00 ml. aqueous sample containing a 0.05000 M benzene (molecular weight = 78.11g/mol) is extracted twice with 10 00 ml. portions of chloroform, it is found that 1.50x 10 moles of the original compound has been extracted into the chloroform i) Calculate the value of the partition coefficient for the extraction of benzene in water using chloroform A 2.75 B 2.91 C 7.51 D 2.81 ii) determine the extraction efficiency of a single extraction A. 0.575 B. 0.400 C. 0.368 D. 0.600 iii) determine the total volume of the chloroform which will be needed to extract 99% of the benzene from the aqueous phase A 50.72 mL B 150 00 mL C 110 00 mL D 46.28 mL.
- 3.) Which arrangement of bonded atoms could explain the high solubility of Compound X in water? IL IV. CH H H CH, H. A. II & III B. III & IV С. I & V D. I onlyWhat properties of ethanol permit such readily-available testing of a person's blood alcohol concentration to exist? Be specific, citing the measuring device and describing the chemistry in detail.10A Complete the figure below. Br NaCN DMSO B A NH₂ C 1. Br₂, NaOH 2. H₂O/H* TT. H₂SO4
- 22. Calculate the corresponding weights of liquefied phenol and propylene glycol needed to prepare 24 15-mL bottles of the following formula: 0.4 mL 0.5 g 2.2 g 65 mL 17 mL 100 mL Liquefied phenol Camphor Benzocaine Ethanol Propylene glycol Purified water q.s.+Table 4: Carboxylic Acids (Part C) Mol. Wt. (g/mol) Propionic acid Butyric acid Valeric acid # of H-bond donor sites² # of H-bond Part. Coeff. acceptor sites³ 1.8 4.9 11.7 Log P 0.24 0.67 1.0 2A H-bond donor site is any H in the molecule that is bonded to a nitrogen or oxygen. 3A ³A H-bond acceptor site is any atom that has one or more lone pair of electrons. IWhat is the difference between interstital and substitutional solid solutions?