The density of toluene 1C7H82 is 0.867 g>mL, and the density of thiophene 1C4H4S2 is 1.065 g>mL. A solution is made by dissolving 8.10 g of thiophene in 250.0 mL of toluene. (a) Calculate the mole fraction of thiophene in the solution.

Q: What is the mole fraction of NaOH in an aqueous solution thatcontains 22.8% NaOH by mass?

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Q: What is the mole fraction of acetone C3H6O, in an aqueous solution of 35% by mass acetone in H2O?

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Q: The mole fraction of Calcium chloride in an aqueous solution is 0.0942. What is the mass percent of…

A: Mole fraction of CaCl2 = 0.0942

Q: Density of Mole fraction of Molarity Molality % by Mass ppm solution solute 1.29 30.0

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Q: A 100.0-g sample of a brand of rubbing alcohol contains 66.2 g of isopropyl alcohol, C3H7OH, and…

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Q: A 8.05 % CH3OH(aq) has a density of 0.976 g/mL at 18°C What is the mole fraction of the solvent in…

A: The mole fraction of solvent in 8.05 % CH3OH(aq) is calculated as,

Q: The mole fraction of CaCl2 in an aqueous solution is 0.0724, what is the % mass of CaCl2 in…

A: Given:: Mole fraction of CaCl2=0.0724  Calculate, % mass of CaCl2= ?

Q: The mole fraction of silver nitrate, AgNO3, in an aqueous solution is 1.83×10². %. The percent by…

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Q: The mole fraction of silver acetate, AgCH3COO, in an aqueous solution is 7.96x10-2. The percent by…

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Q: The density of acetonitrile (CH3CN) is 0.786 g/mL and the density of methanol (CH3OH) is 0.791 g/mL.…

A: since density = mass / volume  Hence mass = density X volume  => mass of CH3OH = 15.7 X 0.791 =…

Q: what is the approximate van't hoff factor for Cs3PO4 (aq), which is the solvent and solute.

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Q: Calculate the mole fraction of a solution containing 2.6g of sodium sulfate in 20g of water.

A: Given: Mass of sodium sulfate = 2.6 g Mass of water = 20 g Molar mass of sodium sulfate = 142.04…

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A:

Q: Calculate the mole fraction (of each component) of a solution prepared by dissolving 125 mL of pure…

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Q: A solution is made containing 20.8 g of phenol (C6H5OH)in 425 g of ethanol (CH3CH2OH). Calculate (a)…

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Q: Calculate the mole fraction of MgC l 2 in a solution createdby dissolving 132.1 g of MgC l 2 in 175…

A: The given data contains, mass of MgCl2 = 132.1 g. Volume of water = 175 ml.= 0.175 L.

Q: Q4: 2M of methanol (CH,OH) was added to NaCl to make a solution, the mole fraction of methanol was…

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Q: 5) what is the mole fraction, Xof methanol in aqueous solution that is 20.0% (m/m) methanol (32.0…

A: a. Mass percentage of methanol (m/m) % = 20.0 % Mass percentage of methanol (m/m) % = mass of…

Q: What is the mole fraction, X, of solute and the molarity, m (or b), for an aqueous solution that is…

A: Mole fraction of a component is the ratio of moles of that component to the total number of moles…

Q: What is the mole fraction of methanol, CH3OH, in an ethanol solution, C2H5OH, that is 4.25 m…

A:

Q: Density of Mole fraction of Molarity Molality % by Mass ppm solution solute 1.05 1.13

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Q: At 25'C, the density of a 50 percent by mass ethanol/water solution is 0.941 g/cm. Given that the…

A:

Q: Calculate the freezing point of 1.5 moles of C6H12O6 dissolved in 1kg of water?

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Q: What is the mole fraction of urea, CO(NH2)2, in a solution prepared by dissolving 5.6 g of urea in…

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Q: what is the mole fraction of the components of a solution containing 18g h2SO4 in 75 g of liquid…

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Q: Complete the following table for aqueous solutions of potassium hydroxide. Show complete solution.…

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Q: calculate the molarity of a solution prepared by dissolving 100g of glucose(C6H12O6) in 350 G of…

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Q: An aqueous solution is 6.00 % by mass ethanol, CH3CH2OH, and has a density of 0.988 g/mL. The mole…

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Q: What is the mole fraction of ethanol, CH;CH20H, in an aqueous solution that is 20.0% ethanol by…

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Q: Complete the following table for aqueous solutions of potassium hydroxide. Show complete solution.…

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Q: Complete the following table for aqueous solutions of potassium hydroxide. Show complete solution.…

A: Since you have posted a multiple question , we will solve first one for you. To get remaining…

Q: An aqueous solution is 6.00 % by mass hydrochloric acid, HCl, and has a density of 1.03 g/mL. The…

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Q: what is the mole fraction of ethyl alcohol(C2H5OH) in an aqueous solution of ethyl alcohol that is…

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Q: Caffeine 1C8H10N4O22 is a stimulant found in coffee and tea. If a solution of caffeine in the…

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Q: What is the mole fraction of ethanol of an aqueous solution that is 20% ethanol?

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