Estimate the vapor pressure of seawater at 20°C given that the vapor pressure of pure water is 2.338 kPa at that temperature and the solute is largely Na+ and Cl- ions... each present at about 0.50 mol/dm3.

Q: A solution is prepared by dissolving 40.00 g of MgCl2 (f.w. = 95.211 g mol–1), a non-volatile…

A: Given,  Mass of non-volatile solute, MgCl2 = 40.00 g  Molar mass of MgCl2 = 95.211 g/mole  Volume of…

Q: At 298 K, the vapor pressure of NH3 of an ammonia solution A with the molar ratio of NH3 to H2O 1:…

A: Temperature of the solution is 298 K. Change in Gibb’s Free Energy of the solution is given by:…

Q: A vapor pressure of pure water is 3.00 kPa at 25 C. What is vapor pressure of a solution obtained by…

A: Raoult's law states that the vapor pressure of a component at a given temperature is the product of…

Q: Calculate the mass of naphthalene required to give a freezing point depression of 2.9°C when…

A: Molality of the solution is obtained from the equation for freezing point depression. Cryoscopic…

Q: What is the vapor pressure (kPa) of water at 25 °C above an aqueous solution that is 10.6% by mass…

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Q: A 0.25g nonelectrolyte solute (MW=124.5g/mol) is dissolved in 100g solvent (MW-82.90g/mol) have a…

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Q: A solution is prepared by dissolving 40.00 g of MgCl2 (f.w. = 95.211 g mol–1), a non-volatile…

A: Given: Mass of MgCl2 = 40.00 g  Volume of solution = 2 L And temperature = 25 oC

Q: 9.287 g of a non-volatile solute is dissolved in 330.0 g of water.The solute does not react with…

A: To calculate molar mass of solute, Raoult’s law for non-volatile solute is used, which is, Psolution…

Q: solution is prepared by dissolving 40.00 g of NaCl (f.w. = 58.44 g mol–1), a non-volatile solute, in…

A: Given : Mass of solute = 40g Density = 1.000g/ml

Q: In a hexane-octane solution containing 27.50 grams hexane and 42.5 grams of octane at 20°C, the…

A: The amounts of hexane and octane in the solution is:   Amount of hexane = 27.50 g   Amount of octane…

Q: Calculate the formal concentration in molarity of a sodium acetate solution prepared by diluting…

A: Using equation of dilution we can find final concentration of solution.

Q: solution is prepared by dissolving 40.00 g of NaCl (f.w. = 58.44 g mol–1), a non-volatile solute, in…

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Q: VII.(10).At 25°C the total volume V(cms) of a solution formed from MX salt and1.000 kg of water fits…

A: The total volume of solution formed from salt and water expression is as follows: V(cm3) = 1001.21 +…

Q: Calculate the molar mass (g/mol) of a strong electrolyte (i = 2.16) where 40.87 g of the compound is…

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Q: An aqueous chloric acid solution has a sp. gr. of 1.124 and contains 26.02% by mass. Calculate M, N,…

A: The number of moles is a ratio of the mass of a substance to the molar mass of the substance.…

Q: A solution composed of 10.0 g of a nonvolatile organic solute in 100 g of diethyl ether has a vapor…

A: Use the raoult formula to get the answer First convert mass into mole by dividing molar mass Then…

Q: 5.758 g of a non-volatile solute is dissolved in 210.0 g of water. The solute does not react with…

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Q: Calculate the solubility of O2 in water at a partial pressure of O2 of 120 torr at 25°C. The Henry’s…

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Q: Solubility ig solute/100g H,O) D0 g of water at 3C umerical answer to 110 100 NH, 90 70 60 40 30 20…

A: Solubility is the ability of a  chemical substance  to dissolve in solvent  and form a solution. The…

Q: A solution containing 0.7880 g of a polymer of unknown structure in 170.0 mL of an organic solvent…

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Q: What is the partial pressure of methane needed to dissolve 21mg of the gas in 100g of benzene at 25…

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Q: The distribution coefficient of an organic salt between hexane and water is 90. A quantity of 0.1…

A: Fraction of salt present in the aqueous phase after four 25 mL of aliquots of hexane can be given as…

Q: Freezing point of Lauric acid: 43.5oC Freezing point of Lauric acid containing an unknown solute:…

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Q: Given the following mole fraction and vapor pressures for miscible liquids A and B, calculate the…

A: Given : XA = 0.40  XB = 0.60  PoA = 1710 mm Hg PoB = 127 mm Hg  And Ptotal i.e total pressure of the…

Q: The molar conductivities of 0.01 M solution of sodium chloride, potassium chloride and potassium…

A: Molar conductivity of NaCl, KCl, K2SO4 from which molar conductivity of Na2SO4 is to be determined.

Q: A solution is prepared by dissolving 40.00 g of NaCl (f.w. = 58.44 g mol–1), a non-volatile solute,…

A: Given : Mass of solute = 40g

Q: We have used Raoult's law to obtain the expression for the freezing point shift of a solution: RT;…

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Q: An experiment conducted at 20 oC requires an atmosphere in which the partial pressure of water is a…

A: Vapor pressure of pure water, P◦w = 17.3 torr Vapor pressure of pure ethylene glycol, P◦e = 0.056…

Q: Estimate the molality (mol/kg) of oxygen in water at 25 °C and given that the partial pressure of O2…

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Q: This question has 2 parts:  9.762 g of a non-volatile solute is dissolved in 175.0 g of water.The…

A: The expression for Raoult’s law containing non-volatile solute is given below in which p○ is the…

Q: At 25oC the vapor pressure of pure benzene is 93.9 torr. When a non-volatile solvent is dissolved in…

A: Relative lowering of vapor pressure:

Q: A solution is prepared by dissolving 40.00 g of NaCl (f.w. = 58.44 g mol–1), a non-volatile solute,…

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Q: Which of the following compounds will be the MOST soluble in pure water at 25 ˚C?   A. Lead (II)…

A: Since all the compounds given have CO32- ion and a metal M2+ ion in 1 : 1  Hence we can directly say…

Q: The osmotic pressure of an aqueous solution at 300K is 250.0 kPa.  (1)Calculate the molarity of…

A: Assumed molarity and molality is same for solution. osmotic pressure= π=CRT ∆Tf=Kfm ∆Tf= Tf°-Tf Tf=…

Q: 1. A liquid has a vapor pressure of 40.00kPa at 298.15K. When 0.080kg of an involatile solute is…

A: In this question we have to calculate the molar mass of solute present in the Solution, the given…

Q: Which of the following statement/s is/are TRUE? I. The Arrhenius Theory cannot be applied to account…

A: The answer is given below

Q: Methanol has a vapor pressure of 13.02 kPa at 20 °C. If a liquid waste stream has a mole fraction of…

A: According to the RAOULT᾿S LAW ,                           P = p  * x where P : Vapor-pressure of the…

Q: The activity of H, O in 35 wt% H, SO4, measured by lowering of the vapor pressure of H,O, is -Al1,0…

A: The overall reaction occurring in a lead acid battery is: PbO2+Pb+2H2SO4→2PbSO4+2H2O

Q: Calculate the OP and FP of an aqueous solution containing 15 grains of ferrous sulfate in 10mL…

A: Colligative properties are the properties of the solution that are influenced by the amount of…

Q: The vapor pressure of 2-propanol (60.096 g/mol) is 50.00 kPa at 338.8 °C, but it fell to 49.62 kPa…

A: Given: Molar mass of solvent = 60.096 g/mol Mass of solvent = 250 g Vapor pressure of pure solvent =…

Q: I submitted this question yesterday; the first answer was right, the second was wrong. Please take…

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Q: A solution is prepared by dissolving 1.23 g of C60 (buckminsterfullerene) in 100.0 g of toluene…

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Q: When 1 mol of a nonvolatile, nondissociating solute is dissolve 3 mol of volatile solvent, the ratio…

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Q: An experiment conducted at 20 oC requires an atmosphere in which the partial pressure of water is a…

A: GIVEN: Vapor pressure of pure water= 17.3 torr Vapor pressure of pure ethylene glycol = 0.056 torr…