The density of a solution made by dissolving 3 grams of substance in water is 2.15 g/mL. The mass/volume percent of the solution is 123%. What is the mass of pure water used to dissolve the solute?

Q: If the mass of a solution is 80g and the mass ratio of the solute is equal to 20%, calculate the…

A: Given, Mass of solution is 80 g. Mass ratio of solute to the solution is 20%. It represents for…

Q: What is the molar concentration of a saturated solution of calcium sulfate that contains 0.209 g of…

A: The concentration of a  solution is the measure of the amount of solute present in a specified…

Q: Derive the concentration distribution equations for “diffusion into a falling liquid film?

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Q: A dilute solution of solute A in solvent B is passed through a tubular-membrane separator, where the…

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Q: The packing height in an absorption tower is 4 m used to remove 90% cyclohexane from a mixture of…

A: Consider an absorption tower with height 4 m used to remove 90% cyclohexane. The process flow…

Q: Q1/ Water base mud has density 9.5ppg , include bentonite only , calculate the following :- 1-…

A: Given Mud=Water+bentonite Mud  density= 9.5ppg Find 1- %Vol of bentonite in mud . 2-%Wt of…

Q: A 5.00 mL sample of solution has 2.8 x 10 g of calcium ions. The ppm concentration is

A: Given that Volume of solution =5 mlmass of calcium ion = 2.8 x 10-4 g

Q: If a solution does not allow more solute to be dissolved in it the solution will be called dilute…

A: Solution  A solution is a mixture of 2 or more solutes whose composition varies according to certain…

Q: The oil in sunflower whose mass composition is 7% water, 37% oil and 56% solids will be extracted…

A: Given:- Feed flow rate (E)=100 Kg/hrHexane flow rate (R)= 1 Kg/Kg of solid matter…

Q: chemical engineering   While dissolving a gas into a liquid at a constant temperature, the ratio of…

A: The question is asking about the relationship between the concentration of a gas in the solution…

Q: Hydrogen in solution in a thick slab of nickel is removed by subjecting one face of the slab to a…

A: Given, The diffusion coefficient of hydrogen in nickel is DH = 7.77×10-7exp-41200RT m2/s   The…

Q: diffusion

A: Diffusion in solids occurs through the mechanism of interstitial diffusion or vacancy diffusion.…

Q: An aqueous solution of ferric hydroxide has a specific gravity solute equal to 0.10. Calculate: a) %…

A: This question is based on the concepts of molality, normality and mole fraction. Given data:…

Q: A piece of Al with a surface area of 2.5 m2 is anodized to produce a film of Al2O3 that is 23 mm…

A: Thickness=23*10-6m Surface area=2.5m2 Density=3.97g/cm3 To Calculate the amount of charge flow and…

Q: If you perform an extraction operation using a solvent that is insoluble in the original solvent and…

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Q: Estimation of a Gas Diffusivity.Estimate the diffusion coefficient for oxygen (A)/benzene (B) at…

A: The diffusion coefficient for the given oxygen-benzene mixture is to be calculated.

Q: One surface of a 285 K and 2.0 mm thick urea (A) - ethanol (B) solution, an organic liquid is in…

A: Temperature = 285 K Thickness of film = 2 mm Concentration of urea in ethanol = 3 % by weight…

Q: QUESTION 2 What was the solvent used in preparation of the sample stock solution? O Any solvent that…

A: Its answer should be any solvent that fully dissolves the sample because sample stock solutions are…

Q: An evaporator-crystallizer-filter process is used to obtain solid potassium sulfate from an aqueous…

A: Given, Temperature of product=23oC from the given table, from interpolation 30-2030-23=11.5-1011.5-x…

Q: A sphere of radius Ro is brought into contact with a copious amount of air. Assume that the material…

A: It is given that a sphere with a radius  is brought into contact with a copious amount of air.The…

Q: The test kits used to determine COD contain chemicals that react with the organic compounds n an…

A: It is the measure of quality of water. Test is based on the assumption that strong oxidizing agent…

Q: A evaporation-crystallization process is used to obtain solid potassium sulfate from an aqueous…

A: Step 1:  Step 2: Step 3: Step 4:

Q: leaching

A: Leaching and extraction are two unit process to extract a substance from a mixture. The major…

Q: Benzoic acid is very useful in the personal care industry to prevent infection caused by bacteria. A…

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Q: The maximum amount of magnesium fluoride that will dissolve in a 0.291 M sodium fluoride solution is

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Q: Q02/ Ammonia is diffusing through an inert air film 2 mm thick at a temperature of 26 °C and a…

A: Write the rate of diffusion of ammonia as follows: NA = NxA + JANA = NxA -DABdCAdzNA = NA+NBxA…

Q: The diffusion coefficient, D  (m2/s) of Zn in Cu at 500 oC

A: Given that  T = 500 C = 500 +273.15 =773.15 k we have to find diffusion coefficient ,D of Zn in cu…

Q: Some HC1 gas diffuses across a film of air 0.1 in. thick at 20°C. The partial pressure of HC1 on one…

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Q: Q06/ At one point in a sample rectifying column, the vapor contains 70% (by mole) benzene and…

A: Assuming that the latent heats are equal for both the components and that there is no heat loss, no…

Q: In this equation molar mass of given solute can be determined from the slope of the II vs c; plot.…

A: Write the equation as follows: ΠcB = RTMA+bRTMAcB    ......1

Q: Solid sodium sulfite is slowly added to 50.0 mL of a 0.159M silver nitrate solution until the…

A: Given: Silver nitrate solution: 50ml, 0.159M The final concentration of SO32- = 0.0408M

Q: The reaction between several pieces of CaCO3 marble and dilute hydrochloric acid solution was used…

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Q: An aqueous solution containing 40% by weight of table salt has a density of 2.142g/cc. What  is the…

A: Given: Table salt by weight=40% Density of table salt =2.142 g/cc Required to find: (i)Mole fraction…