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. How would you make 400ml of a 3% glucose solution?

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Q: How could you determine whether a mixture is a true solution or a colloidal suspension?     the…

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Q: The normal freezing point of a certain liquid X is -4.4 °C, but when 12.06 g of urea freezes at -8.3…

A: The normal freezing point of a certain liquid X is  -4.4o CWhen 12.06 g of urea is dissolved in 350…

Q: A student dissolves 19. g of glucose (CH,20,) in 250. mL of a solvent with a density of 0.84 g/mL.…

A: Mass of glucose = 19 g Volume of solvent = 250 mL Density of solvent = 0.84 g/mL Molarity =?…

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: 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…

Q: A solution of an unknown salt in methanol is found to have an osmotic pressure of 4.75 atm at 300.0…

A: = 4.75 atmR = 0.08206 Latm/molKT = 300.0 Ki = 3mass(m) = 0.335 g

Q: What is the molality in mol/kg of a solution if the temperature difference AT between the solvent…

A: Applying formula ∆Tf= kf×m

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: 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: Find the freezing point of a 0.301m benzene solution in water. (Assuming it's highly soluble) (Use…

A: Given: Molality (m) = 0.301 molal The freezing point (pure solvent) T0 = 273 K The freezing constant…

Q: In a laboratory experiment, students synthesized a new compound and found that when 11.78 grams of…

A: The pressure which just stops the process of osmosis is called osmotic pressure.

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: How will the solubility of NaCl in water be affected by an increase in pressure?

A: Solubility is the amount of solute that gets dissolved in a given amount of solvent at a particular…

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

A:

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: 3. In a dilute aqueous solution of an unknown solute, MC1× (the anion is Cl¯, but the cation is…

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Q: 1. Fill in the blanks in the table for aqueous solutions of the compounds shown. The density of the…

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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: We mixed some ethylene glycol with 346 g water to reduce the equilibrium vapor pressure of water…

A: Answer: When a non-volatile solute is added in a solvent it causes a depression in freezing point…

Q: 14) Which of the following is true about the changes in energy associated with solubility? A) The…

A: The objective of the question is to predict which of the following statements about changes in…

Q: Use the provided chart for this question. What is the minimum temperature required to dissolve at…

A: The solubility curve given is,

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

A:

Q: Place the following aqueous solutions of nonvolatile, nonionic compounds in order of decreasing…

A: Osmotic pressure is a colligative property . Depends on no of molecule present .

Q: Select the one with the highest boiling point. Select the one with the lowest freezing point. A. 1.0…

A: Elevation of boiling point (∆Tb) is directly proportional to molality of solution ∆Tb = i × Kb × m…

Q: A water solution containing an unknown quantity of a nonelectrolyte solute has a freezing point of…

A: molal depression in freezing point    ∆Tf = Kf x m(To - Ts ) = Kf   x  m where  Ts = freezing…

Q: A student dissolves 6.6 g of resveratrol (C₁H,O,) in 300. ml. of a solvent with a density of 1.19…

A: Molarity (M) and molality (m) are very common terms used in chemistry. They are the units of…