In Chemistry lab, you and your lab partner discover that a 0.5 molal solution of sucrose is found to decrease the freezing point of water by about 1oC, while a 0.5 molal solution of potassium iodide depresses the freezing point by about 2 oC. Your lab partner explains this results based on the different molar masses of the two compounds,

Q: Calculate the molality of a solution that contains 1.73 g carvone in 13.4 mL of ethanol (density…

A: Given data: Part 1: The mass of carvone (solute) = 1.73 g. The volume of ethanol (solvent) = 13.4…

Q: 4. A sample of 0.892 g of potassium chloride (KCI) is dissolved in 54.6 g of water. What is the…

A: Since you have asked multiple question, we will solve the first question for you.If you want any…

Q: A researcher prepares a new compound and uses freezing point depression measurements to determine…

A: Given Mass of compound = 1.538 g mass of cyclohexane = 75 g  freezing point of the solution = 2.16°C…

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Q: LEKS-Latoya Johnson - Learn OSTATES OF MATTER Calculating molality molarity 1 molality = = y google…

A: Given, mass of glucose (C6H12O6) = 13. g Volume of solvent = 125. mL Density of a solvent = 1.16…

Q: A student dissolves 3.7 g of glucose (C,H,0) in 100. mL of a solvent with a density of 0.87 giml.…

A: Given: The given mass of glucose,(Wb)=3.7 g The molar mass of solvent, (Mb)=180 g/mol. The volume of…

Q: One gram of aluminum nitrate is dissolved in 2.53 liter of water at 20.0 °C. The density of water at…

A: The molarity and molality of the solution is given below

Q: 1) What is the molality of the solution with a boiling point elevation of 2.56 degrees Celsius? The…

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Q: An unknown protein measuring 34.67 g was dissolved in 25.04 g of ethanol. The new boiling point of…

A: Given mass of protein = 34.67 g Amount of ethanol = 25.04 g Here, ethanol is a solvent So, amount of…

Q: 6.) Calculate the molality of the solution (m) Use the equation: Tf (solution) – Tf (solvent) = –i…

A: Molality = number of moles of solute ÷ mass of solvent in kg

Q: 035 (part 1 of 2) The freezing point of an aqueous solution that contains a non-electrolyte is…

A: To solve this problem we will use the formula  ∆Tf = i Kf m  Where , ∆Tf = depression in freezing…

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Q: 302 301 300 299 298 297 (K) 296 295 294 293 292 0.2 0.4 0.6 0.8 XA According to the phase diagram…

A: According bto the phase diagram shown ,At X₂ = 0.2,

Q: A solution contains 35.5 g of the nonelectrolyte glucose in 0.400 kg of water. glucose

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Q: 17. If you dissolve 20.0 grams of glucose (C6H1206) in 500.0 mL of water, what will its osmotic…

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Q: 5. Compare solubilities of NaCl and KCl in 100 mL of cold and hot water: Cold water: NaCl= 35.7 g…

A: Solubility can be expressed as the moles of solute that can be dissolved in 1 L of solvent to form a…

Q: 44.6 g of ethanol, a nonelectrolyte, was dissolved in 340. g of water. ethanol C₂H₂O 6) What is the…

A: Since, Molality is the number of moles of solute dissolve in one kilogram of the solvent. Thus,

Q: A student dissolves 19. g of aniline (C H,NH,) in 350. mL of a solvent with a density of 1.13 g/mL.…

A: We have given that 19 g of aniline dissolves in 350 mL= 0.350 L of a solvent To find out molarity…

Q: A student dissolves 8.0 g of stibene (C₁4H12) in 300. ml. of a solvent with a density of 0.81 g/mL..…

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Q: A student dissolves 6.8 g of styrene (CH) in 250. mL of a solvent with a density of 0.89 g/mL. The…

A: The mass of styrene is = 6.8 g The volume of the solvent is = 250. mL The volume of the solution is…

Q: 10 grams of a non-volatile and non- dissociating solute is dissolved in 200 grams of benzene. The…

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Q: Consider a solution of the solute CHCI3 in the solvent CHBR3. If the molality of the solution is…

A: Dipression in freezing point (∆Tf) for any solution is directly proportional to the molality (m) of…

Q: A student dissolves 19. g of resveratrol (C₁4H12O3) in 225. mL of a solvent with a density of 0.99…

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Q: A student dissolves 6.4 g of stilbene (C, H,) in 175. mL of a solvent with a density of 1.01 g/mL.…

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Q: While processing data, a student determines that the value of ATf for a solution is 7.2°C. If Kf for…

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Q: Explain below the effect of adding a non-volatile solute to a volatile solution would have on vapor…

A: The compounds which gets vaporize easily are termed as volatile. The volatility of compounds…

Q: . An unknown substance has a van’t Hoff factor of 3.4. Into exactly 1 kg of water, you dissolve 16.2…

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Q: A 0.194-g sample of a nonvolatile solid solute dissolves in 9.82 g of cyclohexane. The change in the…

A: The question is based on the concept of solutions. depression is freezing point is a colligative…

Q: Colligative Properties The boiling point of chloroform (CHCl3) is 61.7C.  When a nonvolatile solute…

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Q: 1.921 g of an organic compound is dissolved in 48.92 g of water. The aqueous solution starts to…

A: Given that, 1.921 g of an organic compound is dissolved in 48.92 g of water. The aqueous solution…

Q: Determine the boiling point of a solution which contains 0.21 mol of sucrose in 98 g of water. (For…

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Q: 7. What is the molar mass of a compound if 5.96 g is dissolve in 25.0 g of chloroform to form a…

A: The formula for elevation of boiling point                   Δ Tb =Kb×Cm  where,                 Kb…

Q: e equation used to calculate the change in freezing point (AT) of a substance is AT₁= = Km ere K, is…

A: Molarity is a method of expressing concentration of the solution. It is defined as number of moles…

Q: Ocean water can be simulated by dissolving 3.5 g NaCl in 100 g of water. If the total volume is…

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Q: QUESTION 10 %24 The molar mass of a compound can be determined by the freezing point depression…

A: Molal depression constant (Kf) It is define as "The depression in freezing point observed when 1…

Q: student determines the molar mass of methanol, CH3OH by the same method used in this experiment.…

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Q: A student dissolves 13. g of glucose (C6H12O6) in 125. mL of a solvent with a density of 1.16 g/mL.…

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Q: restion 20 produces a net migration of water only if the concentration of colloidal size particles…

A: Dialysis is defined as the process in which a  dissolved substance is removed from a colloidal…

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Q: 1. A solution made by dissolving 150.0 g of an unknown compound in 330.0 mL of benzene to make a…

A: MOLALITY = 3.63mole/kg Number of moles of unknown compound = 1.05 Molar Mass of unknown compou =…

Q: What is the percentage of a solution that is made by mixing 420mL of hydrochloric acid in a 0.72 L…

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Q: x olo A student dissolves 7.1 g of aniline (CH,NH,) in 425. mL of a solvent with a density of 0.88…

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