Acetone (molar mass = 58.0 g mol-1) has a vapor pressure at a given temperature of 161 torr. At the same temperature, how many grams of nonvolatile stearic acid (molar mass = 284.5 g mol-1) must be added to 138 g of acetone to decrease its vapor pressure to 135 torr? m(stearic acid) =? g

Q: A solution was made by dissolving 60.7 g iron (III) nitrate (MM = 240.88 g/mol) into 107 g water (MM…

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Q: A solution of ethylene glycol and water has a vapor pressure of 7.88 torr at 10°C. Pure water has a…

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Q: The vapor pressure of 0.388 g of a pure substance is 0.631 atm at 20degree celcius (the molar mass…

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Q: At 25 °C and 765 Torr, carbon dioxide has a solubility of 0.0342 M in water. What is its solubility…

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Q: What is the solubility in g/L of O2 at a partial pressure of 311.9 torr, if the solubility at a…

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Q: A solution of H2SO4(aq) with a molal concentration of 1.94 ? has a density of 1.119 g/mL. What is…

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Q: what is the molality of a concentrated phosphoric acid solution that is 14.80 M and has a density of…

A: Given that : We have to calculate the molality of a concentrated phosphoric acid solution that is…

Q: An aqueous solution is 12.0% by mass silver nitrate, AgNO3, and has a density of 1.11 g/mL. The…

A: We have to find molality of solution

Q: Which of the following intermolecular forces or bonds is primarily responsible for the solubility of…

A: Water is a polar molecule so work as a dipole but H2 is non polar molecule.  ~In H2O and H2 , no ion…

Q: 100 90 NANO, 80 70 60 CaCl 50 Pb(NO½ 40 NaCl 30 KCI 20 KCIO, 10 Ce»(SO,)} 10 20 30 40 50 60 70 80 90…

A: At 10°C least soluble is KClO3.  At 40°C least soluble is Ce2(SO4)3.

Q: The vapor pressure of benzene, C6H6, is 94.6 Torr at 25 °C. A nonvolatile compound was added to…

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Q: A 1.30 M solution of CaCl2 in water has a density of 1.11g/mL. What is the molality?

A: Given information: Molarity of CaCl2 solution = 1.30 M Density = 1.11 g/mL

Q: The solubility of CoCl2.6H2O in methanol (CH3OH) is 38.5 g per 100 g of methanol (CH3OH) at 20oC.…

A: Assuming we have 100 g of methanol  Since the solubility of CoCl2.6H2O in methanol is 38.5 g in 100…

Q: The vapor pressure of ethanol is 58.7 torr at 25 °C. Determine the vapor-pressure lowering, ΔP, of…

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Q: At 25 °C and 775 Torr, carbon dioxide has a solubility of 0.0347 M in water What is its solubility…

A: Henry’s lHenry’s law is used to calculate the partial pressure of Helium,aw is used to calculate the…

Q: The vapor pressure of pure CCl4 at 65oC is 504 mmHg. How many grams of naphthalene (C10H8) must be…

A: Given- Vapour pressure of pure CCl4=504 mmHg Weight of CCl4= 25.00 gram  Vapour Pressure of solution…

Q: of

A: We will use formula of realtive lowering of vapour pressure

Q: When 2.60 g of a substance that contains only indium andchlorine is dissolved in 50.0 g of tin(IV)…

A: Concept introduction: Colligative property  is the property which depend upon the number of moles of…

Q: Calculate the vapor pressure of an aqueous solution when 164 g of glycerin, (Mr. 92.0 g/mol) is…

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Q: An aqueous solution contains 17.5 g of an unknown molecular compound in 100.0 g of water and has a…

A: Given : aqueous solution of compound (means solvent is water). Mass of solute = 17.5 g Freezing…

Q: A solution of aqueous substance(molar mass 90.8g/mol) has a molarity of 2.1M and density of…

A: Given   The molarity is 2.1 M. The molar mass of substance is 90.8 g/mol The density is 1.08 g/mL

Q: Vapor pressure of pure H2O at 20℃ is 17.5 torr. What will be vapor pressure of solution after adding…

A: Vapor pressure of pure water = 17.5 torrMole fraction of water = 0.800Mole fraction of sugar = 0.200

Q: Predict the vapor pressure of a solution prepared by mixing 37.5 g solid KNO3 with 175 g water at…

A: The question is based on the concept of solutions. we have to calculate vapour pressure of the…

Q: Table sugar granules were dissolved in a glass of water. The solid sugar granules have no measurable…

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Q: What is the effect of pressure (ex. pouring on a glass bottle) on carbonated soda (ex. bottle of…

A: According to Henry's law as we increase partial pressure over the solution amount of dissolved gas…

Q: In 400. g of water at 50 degrees Celsius, approximately what mass of substance C will dissolve?

A: AT 50o C 100 g of H2O dissolve 30g of substance C .

Q: The vapor pressure of carbon tetrachloride, CCl4, is 0.354 atm, and the vapor pressure of…

A: Since, both carbon tetrachloride and chloroform have same mass then, Moles of carbon tetrachloride =…

Q: 6. The normal freezing point of ethanol is -117.30 °C. How many grams of electrolyte K2SO4 (molar…

A: Given Mass of ethanol = 35 g Kf = 1.99 °C/m T1 = -117.3°C T2 = -120.25 °C Molar masa of K2SO4 = 58.1…

Q: 15 g of an unknown molecular substance was dissolved in 450 g of water. The resulting solution…

A: The freezing point of a substance is the temperature at which there exists an equlibrium between its…

Q: The freezing point of water is 0.00°C at 1 atmosphere. How many grams of barium acetate (255.4…

A: The molality is particularly used to express certain solution's concentration in mol/kg unit. If…

Q: The solubility of benzoic acid in water is 0.90 g per 100 ml at 0 °C and

A: The minimum amount of water needed to recrystallize a 15.00 g sample of benzoic acid is to be…

Q: A solution which is composed of heptane (C-H16, 100.198 g mol"") and octane (CH43, 114.224 g mol-)…

A: Given, The vapor pressure of the mixture of heptane and octane is------ 78 torr at 40oC. A saturated…

Q: A 2.0 gram sample of a non-electrolyte is dissolved in 100 grams of water. If the resulting solution…

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Q: How many grams of electrolyte KF (molar mass = 58.10 g/mole) must be added to 64.10 g of ethanol (Kf…

A: Consider the given information is as follows; Molar mass of KF = 58.10 g/molMass of KF (solute)=…

Q: If 4.50 moles of n-hexane (C6H14) are dissolved in 5.50 moles of n-pentane (C5H12) at 25°C, what is…

A: Moles of n-hexane = 4.50 Moles of n-pentane = 5.50 Temperature = 25°C = 298K The vapor pressures of…

Q: A certain sample of concentrated hydrochloric acid is 30.8 % HCI. Calculate the molality of this…

A: Given, Percentage of concentrated hydrochloric acid (HCl) = 30.8 % Molality of the solution = ?…

Q: A solution of aqueous substance(molar mass 90.8g/mol has a molarity of 2.1M and density of 1.08…

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Q: Calculate the grams of glucose that must be added to 2.85 kg of H2O at 65 degrees Celsius to lower…

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Q: A solution of H2SO4(aq) with a molal concentration of 6.80 ? has a density of 1.318 g/mL. What is…

A: Given:Density = 1.318 g/mLMolal conc. = 6.80 We need to find the molar concentration of this…

Q: At 25 °C and 795 Torr, carbon dioxide has a solubility of 0.0356 M in water. What is its solubility…

A: Given data,Initial pressure(P1)=795torrInitial solubility (C1)=0.0356MFinal pressure…

Q: A solution containing ethylene glycol and water has a vapor pressure of 7.88 torr at 10 °C. Pure…

A: According to the Raoult’s Law: where P˚solvent = partial pressure of the solvent, Psolution is the…

Q: A student dissolves 20. g of benzoic acid (C,H,0,) in 125. mL of a solvent with a density of 1.07…

A: The mass of benzoic acid, the solute is = 20. g The volume of solvent and solution is = 125. mL The…

Q: A sports drink formulation can be prepared by mixing the ingredients in the quantities shown in the…

A: Since you have asked multiple questions, we will solve first question for you. For remaining…

Q: A solution of H2SO4(aq) with a molal concentration of 1.66 ? has a density of 1.104 g/mL. What is…

A: H2SO4 molality = 1.66 m ( Molality =   moles of substance / mass of solvent in Kg ) Moles of H2SO4 =…

Q: At a certain temperature, diethyl ether has a vapor pressure of 550.0 torr. When a sample of benzoic…

A: Given: The vapor pressure of diethyl ether = 550.5 torr. The vapor pressure of the solution (when…

Q: A solution of vinegar is 0.763 M acetic acid, HC2H3O2. The density of the vinegar is 1.004 g/mL.…

A: Given data,  molarity of acetic acid, HC2H3O2 = 0.763 M  Density of vinegar = 1.004 g/mL

Q: The organic compounds chloroform and dichloromethane form ideal solutions when mixed together; at 25…

A: The solution is as follows :