What's the percentage of vitamin C inside a sample of (18 ml) if it's calibrated With a 0.03 molar of iodine concentration and it's needed a size of 3 ml to Color changed : A) 0.008% B) 8% C) 0.8% D)0.088%

Q: 1. Two thousand kilograms of a 94% NaNO3 solution in water is at a temperature of 1000C. This is…

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Q: Q2-An industrial drain tank cleaner contains 2 b of water and 3 b of NaOH. What are the mass…

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Q: 1.1 In each case , decide if the underlined property is a physical or chemical property. a) The…

A: Since you have posted multiple independent questions in the same request, we will solve the first…

Q: 3.Calculate the molality of a solution prepared by dissolving 15g of sugar C12H22011 in 3.50X102mL…

A: Given mass of sugar =15 molar mass = 342.3 gmolv =3.5 x 102 ml

Q: Show all work, include units, keep work as precise as possible and only apply sig figs to report…

A: Given that: Concentration of nitrous acid (HNO2) solution = 0.75 mol/L Volume of HNO2 solution =…

Q: . A distilling column is fed with a solution containing 0.45mass fraction of benzene and 0,55 mass…

A: Given  Feed contain 0.45 mass fraction benzene and 0.55 mass fraction toluene

Q: A vegetable after drying to moisture content of 5% dry basis (weight basis) is to be packaged…

A: Given data: Initial moisture content of vegetable = 5 % dy basis Final moisture content of vegetable…

Q: Salt water is kept in a cylindrical column of cross-sectional area 31 cm2 and height 63 cm. The salt…

A: Given, The area of the cylinder, A = 31 cm2 The height of the cylinder, H = 63 cm The salinity of…

Q: 200g of the 40 % methanol by mass is combined with 150 g 70% methanol by mass are mixed in a…

A: Given  200 g of 40% methanol is combined with 150 g 70%  Methanol

Q: Q5/ Find the number of milliliters of a solution which contains 0.2000 mole BaCl, in 500 ml solution…

A: The number of milliliters of a solution required is to be determined.

Q: According to Chemical Engineering, an important property of fiber is its water absorbency. The…

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Q: Assume an organic compound has a partition coefficient between water and ether equal to 8.17. If…

A: Given partition coefficient, K = 8.17

Q: 6. The following molecular weight data was obtained for a polymer, using size exclusion 2.…

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Q: Whole milk contains around 4.5% fat. Skimmed milk is prepared by the removal of some of the fat from…

A: Given data: Fat in whole milk = 4.5% Fat in skimmed milk = 0.1% Desired skimmed milk = 100 kg

Q: A 0.355 M K2SO4 solution can be prepared by ________. A) dilution of 500.0 mL of 1.00 M K2SO4 to…

A: The correct option to prepare the 0.355 M K2SO4 solution is to be chosen.

Q: When light with a wavelength of 186 nm strikes the surface of tin metal, electrons are ejected with…

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Q: Part E Very small semiconductor crystals composed of approximately 1000 to 100,000 atoms, are called…

A: To answer E. if we wanted to make one 6.5 nm dot from multiple 2.5 nm dots , how many 2.5 nm dots…

Q: Create an illustrated step-by-step schematic diagram of the following Qualitative test for Lipids: •…

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Q: Solute S has a distribution constant of 4.1 between water (phase 1) and hexane (phase 2). A 82.0 ml…

A: Given: Between water and hexane solute has Distribution constant k=4.1 Volume of water phase V1= 82…

Q: I. PARTIAL MOLAR PROPERTIES The densities of aqueous solutions of copper (II) sulfate at 20 °C were…

A: Given, m CuSO4 (g) ρ g/cm3 52.6  1.051 111 1.107 176.5 1.167 250 1.230…

Q: After the addition of 24 g of ethanol (C2H5OH) to 1 kg of water, the freezing point of the solution…

A: Cryoscopic constant is defined as the depression in freezing point when one mole of solute is…

Q: . The equivalent conductances at infinite dilution of various electrolytes are given: A0(HCI) =…

A: The equivalent conductance at infinite dilution for AcOH is to be calculated.

Q: Calculate the volume fraction and the bulk density of the suspension if 30 micron particles having a…

A: Given that :size =30 micron = 3 x10-5 m ρparticle =2500 kg /m3ρliquid =950 kg /m3

Q: An oil sample had its iodine number determined using the pyridinium tribromide method. The sample…

A: Given data: volume of oil sample = 0.21 mL Density of oil sample= 0.927 g/mL Mass of pyridine…

Q: An car anti-icing mixture is made by mixing equal volumes of ( E.G) (d = 1.114 g/mL, molar mass…

A: Note: Since we are entitled to answer only 3 subparts, we’ll answer the first three as no specific…

Q: A wet material has a moisture content of  25 % on dry basis.  Which of the following statements is…

A: The statement which is not correct out of the given options is to be chosen.

Q: Orange peels, containing 20% oil, 30% water, and 50% insoluble matter, are extracted by contacting…

A: Given that, The composition (by mass) of Orange peels feed Oil xO,F = 0.2 Water xw,F = 0.3 Insoluble…

Q: Calculate the followings. (50 drops/mL. 10 drops/monolayer, Inner Diameter of Petri dish - 14.00 cm,…

A: (A) Given, 1 monolayer = 10 drops1 mL = 50 dropsstearic acid = 1.42×10-4 g/mLdensity of stearic acid…

Q: Please indicate whether the following statements are true or false. Disposable membrane structures…

A: 1. Disposable membrane structures used in microfiltration are called membrane cartridges and are…

Q: Q3: Calculate the molarity of Hydrofluoric acid in a titration of Hydrofluoric acid against Sodium…

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Q: An unknown sample of Ni2+ gave a current of 2.36 µA in an electrochemical analysis. When 0.500 mL of…

A: The concentration of the unknown sample is to be calculated.

Q: 3. 20kg of food at a moisture content of 400% dry basis is dried to 40% wet basis. the initial water…

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Q: Ethylene Glycol (B) 0.9 0.1 0.8 0.2 0.7 0.3 0.6 0.4 boundary Plait Point Miscibility 0.5 0.5 0.4 0.6…

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Q: The standard molar enthalpy of formation of calcium carbonate (CaCO) is -1206.9 kJ/mol. What will be…

A: The standard molar enthalpy of formation of calcium carbonate (CaCO3)= -1206.9 kJ/mol Mass of CaCO3…

Q: The following data were obtained in a BET apparatus for adsorption equilibrium of N2 on silica gel…

A: The specific surface area for the two forms of silica gel is to be calculated.