Calculate the freezing point of a 2.9 m aqueous sucrose solution. (Assume that Kf for water is 1.86°C/m.) Express the temperature to two significant figures and include the appropriate units. HA freezing point = Value Units

Q: Determine the molal concentration of a sugar solution in water that has a freezing point of –2.1°C.…

A: Given information,    Freezing point = –2.1°C    Value of Kf = 1.86°C/m for water

Q: The normal freezing point of a certain liquid X is -0.70 °C, but when 19. g of sodium chloride…

A: Given ,Normal freezing point of certain liquid, X Mass of NaCI = 19. gMass of X = 850. gObjective…

Q: The normal boiling point of a certain liquid X is 133.8 °C, but when 65. g of urea ((NH,),CO) are…

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Q: The Great Salt Lake in Utah contains about 13.6 grams of NaCl per 100 grams of water. Calculate  the…

A: The formula for freezing point depression expression is

Q: Ethylene glycol (C₂H₆O₂) is used as an additive to the water in your automobile to lower its…

A:

Q: Substance GAMMA has a vapor pressure of 318 torr at 19 °C. When a sample of the nonvolatile…

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Q: The freezing point of water is 0.00 °C at 1 atmosphere. How many grams of aluminum sulfate (342.2…

A: Given , molar mass of aluminium sulfate = 342.2 gmol mass of water = 242.0 g freezing point…

Q: What are the boiling point and freezing point of a 1.97 m solution of naphthalene in benzene? Note:…

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Q: A 3.40-g sample of a mixture of naphthalene (C₁₀H₈) and pyrene (C₁₆H₁₀) is dissolved in 35.0 g…

A: Molar Mass of napthalene (C10H8) = 128 g/mol Molar mass of pyrene (C16H10) = 202 g/mol Mass of…

Q: The normal freezing point of a certain liquid X is 3.90°C, but when 12. g of potassium bromide (KBr)…

A: Upon addition of some external material the freezing point and boiling point of the compound changes…

Q: A certain liquid X has a normal freezing point of -4.50 °C and a freezing point depression constant…

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Q: An aqueous solution containing 35.6 gg  of an unknown molecular (non-electrolyte) compound in 150.1…

A: Given, mass of the compound = 35.6 g mass of water = 150.1 g = 0.1501 kg Freezing point of the…

Q: A certain liquid X' has a normal freezing point of -3.40 °C and a freezing point depression constant…

A: The question is based on the concept of depression in freezing point.  on adding solute to a…

Q: Calculate the freezing point of a solution of 35 g methyl salicylate dissolved in 800 g of benzene…

A: The term molality refers to the ratio of number of moles of the given solute to the amount of…

Q: The freezing point of water is 0.00 °C at 1 atmosphere. How many grams of aluminum sulfate (342.2…

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Q: A 100.00mL solution of 1.40 M in NH3 is titrated with 1.40 M HClO4. Find the pH after 100.00mL of…

A: Given,Molarity of NH3 = 1.40 MVolume of NH3 = 100.00 mLMolarity of HClO4 = 1.40 MVolume of HClO4 =…

Q: of

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Q: A compound of cobalt, carbon, and oxygen contains 28.1% C and 34.5% Co. When 0.147 g of this…

A: The depression in freezing point = freezing point of solvent (cyclohexane) - freezing point of…

Q: Pure water boils at 100 oC. What is the boiling point of a solution (use unit symbol C. Do not…

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Q: The normal freezing point of a certain liquid x is -6.20 °C, but when 36. g of iron(III) chloride…

A: We will calculate the molal freezing point depression constant Kf. Given: The normal freezing point…

Q: The normal boiling point of a certain liquid X is 141.40 °C, but when 20. g of glycine (C,H,NO,) are…

A: To calculate molal boiling point elevation constant , we first find moles and than molality.

Q: A certain liquid X has a normal freezing point of −6.30°C and a freezing point depression constant…

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

A: The temperature at which a solid change into a liquid at 1 atm pressure is known as the melting…

Q: Calculate the freezing point and boiling point for 0.43 molmol ethylene glycol and 0.17 mol KBrmol…

A: Boiling point =374.8K (Upto one decimal place) Freezing point= -6.5K (upto one decimal place)

Q: The freezing point of water is 0.00°C at 1 atmosphere. How many grams of ammonium chloride (53.50…

A: Given  Mass of water   = 211 gram                           =  0.211 Kg  Molar mass of Ammonium…

Q: Calculate the boiling point of a solution of 400 g of ethylene glycol dissolved in 400 g of water…

A: Molality of solution can be calculated as follows:

Q: A certain liquid X has a normal freezing point of-3.00 °C and a freezing point depression constant…

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Q: Ethylene glycol (C₂H₆O₂) is used as an additive to the water in your automobile to lower its…

A:

Q: A certain liquid X has a normal freezing point of 4.10 °C and a freezing point depression constant…

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Q: Determine the molal concentration of NaCl solution in water that has a freezing point of -2.1 degree…

A: Recall the data, Kf for water=1.86 °Cm Freezing point of solution=-2.1°C Molal concentration of…

Q: The freezing point of water is 0.00 °C at 1 atmosphere. How many grams of cobalt(II) acetate (177.0…

A: mass of cobalt(II) acetate dissolved = ?molar mass of cobalt(II) acetate = 177.0 g/molmass of water…

Q: The normal boiling point of a certain liquid X is 124.9 °C, but when 31. g of urea (NH),CO)- are…

A: Given :- Normal boiling point of X = 124.9°C  Mass of urea = 31. g  Mass of X = 350. g  Boiling…

Q: The normal freezing point of a certain liquid X is 0.60°C, but when 0.14 kg of barium hydroxide…

A: Given : Mass of barium hydroxide, Ba(OH)2 i.e solute = 0.14 Kg = 140 g         (since 1 Kg = 1000 g)…

Q: A certain liquid X has a normal boiling point of 129.00 °C and a boiling point elevation constant…

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Q: Calculate the freezing point of a solution containing 50.0 g of NaCl in 5000 mL water . K for water…

A: Given in the question, Volume of water = 5000 mL Mass of NaCl = 50.0 g Kf for water = 1.86 C°/m. As…