Determine the boiling and freezing point of a 25g of naphthalene (C10H8) dissolved in 100mL of chloroform. Note: ρC10H8=1.49 g/cm

Q: 6. From the following cooling curve, which temperature is the most possible freezing temperature for…

A: Cooling curve :-  The graph of temperature vs time to find the freezing point of substance is called…

Q: 200 mL Ethanol (d= 0.789 g/ml) was used to dissolve a certain 1.000 g  of organic compound. The…

A: Volume of solvent (Ethanol) = 200ml Density of ethanol = 0.789g/ml Weight of organic compound =…

Q: What is the freezing point of a solution made from 15.0 g of octane (C8H18) dissolved in 155.0 g of…

A: Depression in freezing point is one of the four colligative properties which depends upon the count…

Q: Calculate the freezing and boiling point of a solution containing 10.0g of naphthalene (C10H3) in…

A:

Q: For items 10-11, the following solutions were prenared with their respective concentration: I. 0.02…

A: When solute is added to solvent , then the solution would have higher boiling point and lower…

Q: What mass of NaCl would you need to add to 1.00 kg of water to achieve a freezing point of 5 degrees…

A: We have asked to find what mass of NaCl will be required to add to 1.00 kg of water to achieve a…

Q: A solution is made by dissolving 6.60 grams of MgCl2 in 380.0 mL of water. What is the freezing…

A: Given, Mass of MgCl2 = 6.60 g  Volume of water = 380.0 mL  Density of water = 1.00 g/mL  Kf of water…

Q: Calculate the freezing point and the boiling point at 1 atm of a solution containing 30.0 g of cane…

A: Interpretation: The freezing point and the boiling point at 1 atm of a solution containing 30.0 g of…

Q: What is the freezing point of an aqueous sucrose solution that has 25.0 g of C12H22O11 per 100.0 g…

A:

Q: Is your answer in units of g/mol and not kg/mol? Did you subtract the new freezing point from the…

A: Calculate molecular mass of unknown compound

Q: When 4.35grams of ethyne glycol(C2H6O2) is dissolved in 100g of water,the resulting solution gas a…

A: Given, When 4.35grams of ethyne glycol(C2H6O2) is dissolved in 100g of water,the resulting solution…

Q: A certain liquid X has a normal freezing point of 6.90°C and a freezing point depression constant…

A: The freezing point of a solution made of 92.g of glycine (C2H5NO2) dissolved in 700. g of X is 2.93…

Q: 19. The normal boiling point of pure water is 100oC. What is the boiling point of an aqueous…

A:

Q: A solution contains 50.0 g of sucrose, C12H22011, a nonelectrolyte, dissolved in 500.0 g of water.…

A: The formula for the calculation of elevation of boiling point is ∆Tb = Kb * m  Where Kb = constant…

Q: 1. The freezing point of an aqueous solution is -2.79°C. a. Determine the boiling point of this…

A: Given: The freezing point of the solution=-2.790C. Kf=1.860Cmol-1kg. Kb=0.5120Cmol-1kg.

Q: Determine the boiling point elevation of a solution of 94.1 mg of cinnamaldehyde dissolved in 1.00 g…

A:

Q: Calculate the freezing point and boiling point of a solution containing 100g of ethylene glycol…

A: Calculation of Freezing point and boiling point.

Q: boiling point o

A: Ans. B. 100 g table salt NaCl is answer.

Q: Calculate the freezing point of a solution that contains 68.0 g of sucrose (C12H22O11) in 90. g of…

A:

Q: 500 g of anitifreeze, C2H6O2, is mixed with 750 g of water, H2O.  What is the freezing point of the…

A: Mass of antifreeze, C2H6O2 = 500 g Mass of water = 750 g Molecular weight of C2H6O2 = 62.07 g/mol…

Q: b. how many grams of sugar must be added to 1000 g water to make it boil at 102.0 degrees celsius?…

A: (a)The expression for depression in freezing point is:

Q: Dichloromethane has a density of 1.33 g/ml, its solubility in water is 2 g/100 ml at 20 °C. Which of…

A: Given data: Density of dichloromethane (DCM) = 1.33 g/mL Density of water = 1 g/mL Solubility of…

Q: The freezing point (Tf) for t-butanol is 25.50°C and Kf is 9.1°C/m. Usually, t-butanol absorbs water…

A: When a non volatile solute is dissolved in a solvent, then there is a decrease in the freezing point…

Q: How many grams of NaCl would be required to lower the freezing point of 2.0 kg of water to 0.0…

A: Given: Amount of water taken to prepare the NaCl solution = 2.0 kg The freezing point of the…

Q: The normal boiling point of a certain liquid X is 113.00°C, but when 0.26kg of barium hydroxide…

A:

Q: Fill in the blanks: Given the following data for Mass of test tube, beaker and cyclohexane = 100.17…

A:

Q: Determine the freezing point of a solution (in ℃) that contains 17.3 grams of glycerin (C3H8O3 ) in…

A:

Q: A sample of seawater contains 1.3 g of calcium ions in 3,100 g of solution. What is rhe calcium ion…

A: PPM or Parts Per Million is a unit used to describe very small concentrations of a substance in a…

Q: What is the boiling point of a solution made using 843 gg of sucrose, C12H22O11C12H22O11, in 0.300…

A:

Q: Calculate the boiling point and freezing point of the following solutions: A. 0.5 mole Br2…

A: From given data  moles of Br2 (solute) = 0.5 mol mass of chloroform (solvent) =507 g = 0.507 kg…

Q: What is the freezing point, if 25.0 grams of MgCl2 is mixed with 300.0 grams of water?

A: Given : mass of MgCl2 = 25 g              Mass of water = 300 g  = 0.3 kg

Q: What is the molality of a solution containing 7.3g of potassium chloride in 5kg of water?     None…

A: Mass of KCl = 7.3 g  Volume = 5 Kg Molality = ?

Q: Calculate the boiling point and freezing point of a solution containing 478 g of ethylene glycol in…

A: Elevation in boiling point is the difference between the boiling point of the solution and the…

Q: Calculate the freezing temperature of a solution where 144 grams of C6H12O6 were dissolved in 1500 g…

A: The substances of solid and liquid states are at a particular temperature and at atmospheric…

Q: The boiling point of water, H2O, is 100.00°C at 1 atmosphere. A nonvolatile, nonelectrolyte that…

A:

Q: What mass (in grams) of ethylene glycol (C2H6O2) must be added to 1,297 grams of water to lower the…

A: Given: Mass of water = 1297 g The freezing point of the solution = -1.47°C Standard data: Kf for…

Q: The molal boiling point elevation constant K, =0.88 °C·kg•mol for a certain substance X. When 67. g…

A:

Q: Calculate the freezing and boiling point in each. A) 10.5g FECL3 in 1.50 x 10^2 g of water B) 3.5%…

A: The ratio of moles of solute to the mass of solution in kg is known as molality.

Q: When 13.81 g (about one tablespoon) of table sugar (sucrose, C12 H22O11) is dissolved in 241.9 mL of…

A: Given  Mass of sucrose ( C12H22O11) = 13.81 g Moles of sucrose (solute) = mass of sucrosemolar mass…

Q: 1) 0.0717 kg of biphenyl (C₁₂H₁₀) is dissolve in benzene (C₆H₆) to create a solution with a total…

A:

Q: Determine the freezing point of a solution (in ℃) that contains 42.2 grams of glycerin (C3H8O3 ) in…

A: We use the formula of depression in freezing point, after addition of solute which comes from the…

Q: . For a 0.326 m aqueous solution of sucrose, C12H22011, What is the boiling point? kb = 0.512°C/m

A: ∆Tb = Kb m  Where ∆Tb = Boiling point elevation                       = To - Ts  Where T0 = Boiling…

Q: Ethylene glycol is used as antifreeze in automobile radiators. What is the freezing temperature and…

A:

Q: Calculate the boiling point of a solution prepared by dissolving 100.0 g of naphthalene, C10H8 (a…

A:

Q: The normal boiling point of CCL4 is 76.8 °C and its Kb = 5.02C / m . Calculate the boiling point of…

A: Given: KbCCl4​​=5.02   Tb (CCl4​)​=76.8oC   Molarity =1 m

Q: 0.0471 kg of biphenyl (C12H10) is dissolve in benzene (C6H6) to create a solution with a total…

A: This is the phenomenon of elevation of boiling point which is a colligative property. The…

Q: What is the boiling point of a solution made by dissolving 27 grams of MgCl2 in 559 grams of water?…

A: When a non-volatile solute is added to a solvent then its boiling point is increased. By using the…

Q: Calculate the freezing and boiling points of a solution prepared by dissolving 20.0 grams of…

A: Given,  Mass of Al(NO3)3, W1 = 20.0 gram Mass of water, W2 = 100 gram Molar mass of Al(NO3)3 is 213…

Q: The normal boiling point of a certain liquid X is 109.50°C, but when 44.2g of benzamide (C7H7NO) are…

A: The question is based on the concept of solution. elevation in boiling point is a colligative…