8. A solution contains 5.00 g urea (M=60.05) per 100 g of water. What will be the vapor pressure of this solution at 25°C? The vapor pressure of pure water at this temperature is 3.17 kPa. [3.126 kPa]

Q: Calculate the solubility of O2 in water at a partial pressure of O2 of 120 torr at 25°C.

A:

Q: 12. Calculate the boiling point of 1.8 moles of CaCl2, a strong electrolyte, dissolved in 1.00 kg of…

A:

Q: At a particular temperature, the solubility of H2 in water is 0.0200 M when the partial pressure is…

A: Given that, temperature is constant. The gas present is H2 (Hydrogen gas). Partial pressure of H2…

Q: The freezing point of ethanol (C2H5OH) is -114.6⁰C. What is the freezing point of the solution…

A:

Q: (15) What is the freezing point of a solution of 7.15 g MgCl2 in 100 g of water? Kf for water is…

A: Kf for water = 1.86°C/m  For MgCl2, van’t Hoff factor, i = 3 Normal freezing point of water, T1 =…

Q: 1.What will be the new vapor pressure of the water in a 250 mL solution of 0.3774M solution of…

A: We will use colligative property i.e. relative lowering in vapour pressure to calculate vapor…

Q: 1. Assuming Raoult's Law applies, calculate the vapor pressure of a solution of 20.0 grams of…

A: Number of moles and mole fraction of components can be calculated as follows: No. of moles of…

Q: Calculate the molality of 35.0 grams of KBr dissolved in 450.0 mL pure water.

A:

Q: 1. What is the vapor pressure at 20°C of a solution of 3.50 g of naphthalene C1,H3 in 25.0 g of…

A: 1. Given that : The mass of naphthalene = 3.50 g The mass of benzene = 25.0 g Temperature = 20°C The…

Q: If a 0.100 M solution of potassium sulfate has an osmotic pressure of 5.65 atm at 25.0*C, what is…

A: Given: Molarity of the solution (C) = 0.100 M. Osmotic pressure of the solution (π) = 5.65 atm.…

Q: The normal freezing point of cyclohexane is 6.50 °C. A solution is prepared by dissolving 148.6 mg…

A: Given,  Normal freezing point of cyclohexane = T0f = 6.50 °C Mass of unknown nonelectrolyte (solute)…

Q: benzene and toluene form a nearly ideal solution. At 80*C, the vapor pressure of pure benzene…

A: In 100g of solutions 30g toluene and 70g benzene is present. Therefore, the number of moles of…

Q: What is the boiling point when 11.89 g of K3PO4 (formula mass = 212.30 g/mol) is dissolved in 165.83…

A:

Q: What is the boiling point elevation when 12.01 g of LiCl (formula mass = 42.39 g/mol) is dissolved…

A:

Q: When 1.0 mol of HF is dissolved in 1.0 kg of water, the boiling point of the resulting solution is…

A:

Q: At a particular temperature, the solubility of H₂ in water is 0.0200 M when the partial pressure is…

A: Given that,  Initial Partial pressure of H2 gas P1 = 0.0900 atm Solubility of H2 at P1 ,  S1 =…

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: What is the freezing point of an aqueous PCl₃ solution made to be 0.81 m PCl₃? (Kf for water is 1.86…

A: Given : Solution is an aqueous solution of PCl3 means solvent is water and solute is PCl3. And…

Q: The graph below shows how the solubilities of various substances respond to changes in temperature.…

A: Saturated solution is that solution which has maximum amount of salt dissolved in it.

Q: 1. A solution contains 5.00 g urea (M= 60.05) per 100 g of water. What will be the vapor pressure of…

A: In order to find the vapor pressure of the solution we first write down the given data: Mass of…

Q: You are analyzing 225 g of a solution that contains 17.3 g of the ionic compound NaOH in ethanol.…

A: the freezing point of this solution can be calculated as: ΔTf = i * Kf* m where ΔTf =Tof- Tf  i=…

Q: At a particular temperature, the solubility of H₂ in water is 0.0200 M when the partial pressure is…

A: P2/P1 = S2/S1 S1 solubility at pressure P1 And S2 solubility at pressure at P2

Q: At a particular temperature, the solubility of NO in water is 0.090 M when the partial pressure is…

A: Henry,s Law: It states that the solubility of a gas in a liquid is proportional to its partial…

Q: At what temperature do saturated solutions of sodium chloride and potassium chloride contain the…

A: The question is related to finding out the temperature of the solutions having same solubility at…

Q: Given that the vapor pressure of water is 17.54 Torr at 20 ∘C, calculate the vapor‑pressure…

A: Given data set: Vapor pressure of water = 17.54 Torr Temperature = 20 C Molality of sucrose…

Q: If 0.340 mol of a non volatile non electrolyte are dissolved in 3.00 mol of water,what is the vapor…

A: Moles of non volatile=0.340mol Moles of water=3.00mol Vapour pressure of pure water =23.8torr

Q: A 5.86-gram non-electrolyte sample of a compound is dissolved in 250. grams of benzene. The freezing…

A:

Q: 1. A 12% by mass sodium chloride solution is prepared by dissolving enough of the salt to give 200.0…

A:

Q: At a particular temperature, the solubility of Kr in water is 0.060 M when the partial pressure is…

A:

Q: The freezing point of a solution that contains 1.00 g of an unknown compound, dissolved in 10.0 g of…

A:

Q: What is the boiling point of a solution containing 0.80 g caffine C8H10N4O2, dissolved in 13.20 g…

A:

Q: How much NaCl is needed to make a saturated solution at 100 90 10°C? 80 NaNO, 70 Pb(NO)2 KCI 60…

A: The amount of substance in a solubility curve can be seen by plotting the points at that temperature…

Q: solubility of oxygen gas in water at that temperature?

A:

Q: What will be the freezing point of a solution made by adding 56.1 g of NaCl (MW=58.5 g/mol) to 541 g…

A:

Q: The freezing point of pure water is 0°C and its molal freezing point depression constant (Kf) is…

A: Given: Molal freezing point depression constant (Kf) = 1.86°C/m Mass of sucrose = 53 g Molar mass of…

Q: A solution contains 0.102 mol Ca(NO3)2 and 0.927 mol H2O. Calculate the vapor pressure of the…

A: Given data,

Q: A 6.06-gram sample of a compound is dissolved in 250. grams of benzene. The freezing point of this…

A: Given: The mass of the unknown compound dissolved in benzene = 6.06 g The mass of benzene = 250 g…

Q: 1. What is the vapor pressure at 20°C of a solution of 3.50 g of naphthalene CH, in 25.0 g of…

A: Given mass of naphthalene = 3.5 g mass of benzene = 25 g vapor pressure of pure benzene (P1°) = 74.7…

Q: 2) At a given temperature the vapor pressures of benzene and toluene are 183 mm Hg and 59.2 mm Hg,…

A: Given, The Vapor pressure of benzene = 183 mmHg. The vapor pressure of toluene = 59.2 mmHg. Mole…

Q: How much of the following would you need to dissolve to make their respective solutions? (answers…

A: Given :  a. Volume of CuSO4 solution = 250 ml  Concentration of CuSO4 = 0.65 M  b. Volume of C8H5KO4…

Q: 1. What is the vapor pressure at 20°C of a solution of 3.50 g of naphthalene C1,Hg in 25.0 g of…

A: 1.  Vapour pressure of the solution is 68.83 mmHg

Q: Two volatile substances, A and B are dissolved in one another and the resulting solution has a vapor…

A: Solution

Q: You dissolve a 30.0 g mixture of glucose (C6H,2O6) and NaCl in 1.00 kg water. The freezing point of…

A:

Q: Water has a Kf of -1.86 °C/m. Calculate the new freezing point of an aqueous solution made by mixing…

A: Given :-  Kf of water = 1.86 °C/m  Mass of water = 28.85 g  Mass of MgCl2 = 1.84 g  To calculate :-…

Q: 0.029g of I2 in 0.100L of solution, the solubility of I2 in water at 20 degrees C?

A: NOTE : Since you have not mentioned the units of solubility required. Hence I'm answering the…

Q: A solution prepared from 96 g of non-volatile non dissociating solute in 5.25 mole of toluene has a…

A: Given data is as follows: The mass of the non-volatile non- dissociating solute = 96 g The moles of…

Q: When 20.0 grams of an unknown nonelectrolyte (i=1) compound are dissolved in 500.0 grams of benzene,…

A: Given that,Mass of unknown nonelectrolyte compound = 20.0 gMass of Benzene = 500 gFreezing point of…