What are the boiling point and freezing point of a solution prepared by dissolving 2.40g of biphenyl, (C12H10) in 75.0g of benzene (C6H6)?  The molal weight of biphenyl is 154g/mol. Kb for benzene = 2.53 degrees C/m Kf for benzene = 5.12 degrees C/m BP benzene = 80.1 degrees C FP benzene = 5.5 degrees C

Q: What is the freezing point of a solution prepared from 91.9 g ethylene glycol (C2H6O2) and 90.0 g…

A: Given, Mass of ethylene glycol (solute) = 91.9 g  Mass of water (solvent)= 90.0 g = 0.090 kg Molal…

Q: How many grams of glucose (molar mass = 180.16 g mol1) must be dissolved in 212 gof water to raise…

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Q: The density of an aqueous solution containing 15.0 percent ethanol (C₂H5OH) by mass is 0.979. Round…

A: Mass percent = 15.0 % That is 15.0 g of ethanol is present in 100 g of the solution. That is Mass of…

Q: The freezing point of pure benzene (C₆H₆) is 5.49 °C. The freezing point of a solution made using…

A: Pure benzene (solvent) freezing point = Tp = 5.49 °C Freezing point of Solution = Ts = -13.0 °C Kf…

Q: What volume of ethylene glycol (C2H6O2) must be added to 15.0 L of water to produce an antifreeze…

A: The boiling point is the minimum temperature at which the liquid starts to convert into gas.…

Q: The boiling point of pure ethanol (C₂H₅OH, MM = 46.07 g/mol) is 78.4 °C. A solution is made using…

A: Given,  Boiling point of pure ethanol = T0b = 78.4 °C  Mass of solvent, ethanol = 100.0 g  Mass of…

Q: What is the freezing point of a solution of 0.101 g of glycerol C3H8O3, in 20.0 g of water? For…

A: Given :-  Mass of glycerol = 0.101 g  Mass of water = 20.0 g  Kf for water = 1.858°C/m  To calculate…

Q: A 125-g sample contains only glucose (CH₁206) and sucrose (C12H22011). When the sample is added to…

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Q: A solution containing 20.0 g of an unknown liquid and 110.0 g water has a freezing point of -1.32…

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Q: What is the change in the freezing point of a solution made by dissolving 14.7 g of C6H1206 into…

A: Given, mass of C6H12O6 dissolved = 14.7 g Volume of water = 150.0 mL Density of water = 1.00 g/mL…

Q: 86. Calculate the freezing point and boiling point of a solution containing 12.55 g of ethylene…

A: Answer:Properties that depend on the number of solute particles present in the solution are called…

Q: A9.15 gram sample of a compound is dissolved in 250 grams of benzene. The freezing point of this…

A: Given : Mass of compound=9.15 g The molar mass of compund= M g/mol Moles of biphenyl= (9.15 g) / (M…

Q: A solution of toluene (C,H₂).in 301 g of cyclohexane (C₂H₁₂) has a boiling point of 90.30 °C. What…

A: We have to predict the amount of toluene in solution.

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: An ethylene glycol (C2H6O2) solution freezes at -10°C. Determine the amount of ethylene glycol added…

A: The depression in freezing point  can be calculated using the freezing point of the solution and…

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: solution

A: We will calculate Tf

Q: In aqueous solution of nickel(II) bromide has a concentration of 0.134 molal. The percent by mass of…

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

Q: The freezing points and boiling points of the solution which contains 25.0 g NaCl in 129 mL of water…

A: Colligative properties: The colligative properties are those properties of solutions that depend on…

Q: The boiling point of pure ethanol (C₂H₅OH, MM = 46.07 g/mol) is 78.4 °C. A solution is made using…

A: To calculate the elevated boiling point of glucose and ethanol solution.

Q: A solution is prepared by adding 50.0 g of glucose (C,H120, molar mass 180.18 g/mole) into 250.0 g…

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Q: 27. An ethylene glycol solution contains 28.3 g of ethylene glycol, C2H602 in 97.2 mL of water.…

A: This problem is based on Solutions chapter where it is of the subtopic Colligative Properties of…

Q: The density of an aqueous solution containing 15.0 percent ethanol (C₂H5OH) by mass is 0.979 Round…

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Q: Ascorbic acid (vitamin C, C6H8O6C6H8O6) is a water-soluble vitamin. A solution containing 81.0 g of…

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Q: An aqueous solution is prepared by dissolving 72.0 g glucose (180.18 g/mol) in enough 1. water to…

A: Number of moles of glucose (solute) is calculated as follows,

Q: 95.1

A: Dear student I have given answer to your question in the image format.

Q: of å solution prepared from 65.0 g ethylene glycol (C2H6O2) and 90.0 g H2O? Ká of water is…

A: ∆Tb = i kbm

Q: he molar mass of unknown molecular compound is determined using freezing point depression. The…

A: Kf = molal depression constant

Q: The normal boiling point of a certain liquid X is 113.80 °C, but when 41. g of glycine (C₂H-NO₂) are…

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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: Assuming mass of naphthalene in the mixture is y. Hence mass of pyrene = mass of mixture - mass of…

Q: The boiling point of ethanol (C:H&OH) is 78.5°C. What is the boiling point of a solution of 6.4 g of…

A: Elevation in boiling point :- When a non volatile solute is added to pure solvent its boiling point…

Q: What mass of a nonvolatile molecular substance (MM = 50.0 g/mol) must be added to 500 g H2O to…

A: We have to predict the mass of non volatile substance.

Q: A 1.09 g sample of substance X is dissolved in 26.8 g of benzene. The freezing point of the solution…

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

Q: The boiling point of pure ethanol is 78.4 °C. A solution is made using 100.0 g of ethanol (the…

A: Molality of solution is determined as follows,

Q: Consider a solution made by dissolving 331 g of sucrose in 116 ml of water at 45˚C. The vapor…

A: Given data are,  given mass of sucrose = 331 g given volume of water = 116 mL   density of water =…

Q: A 11 g sample of a Na3PO4 dissolves in 110. g of water. If the Kf  (H2O) = 1.86 oC/molal.  What is…

A: Given: Mass of  Na3PO4 = 11g Molar mass of  Na3PO4 = 163.94 g/mol Mass of H2O = 110.0 g = 0.110 Kg…

Q: The boiling point of pure ethanol (C₂H₂OH, MM = 46.07 g/mol) is 78.4 °C. A solution is made using…

A: we have to calculate boiling point of the glucose-ethanol solution

Q: HOW DO WE GET THERE? Determine the molality of C3H8O3. MC3H8O3 = mol/kg

A: As we know,   Depression in freezing point, ∆Tf is equal to  ∆Tf  = Tf° - Tf = i * Kf * m Where Tf°…

Q: A 3.03-gram sample of a compound is dissolved in 250. grams of benzene. The freezing point of this…

A: We can use the formula: ΔT = Kf x m where ΔT is the change in freezing point, Kf is the freezing…

Q: The normal boiling point of a certain liquid X is 137.50 °C, but when 17.8 g of glycine (C₂H5NO₂)…

A: mass of glycine (C2H5NO2) = 17.8 gNote: 1000 g = 1 kgmass of liquid X = 150 g = 0.150 kgBoiling…

Q: 62. Assuming ideal solution behavior, what is the freezing point of a solution of dibromobenzene,…

A: Answer :  Given that, Mass of benzene (solvent) = 0.250 kg boiling point of solution = 83.5 deg * C…

Q: Which solution has the lowest boiling point? O 1.00 moles of NaCl in 1.0 L of water O 1.00 moles of…

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Q: The boiling point of pure water (MM = 18.016 g/mol) is 100°C.  What is the boiling point of a…

A: Answer:- This question is answered by using the simple concept of elevation in the boiling point…

Q: A 5.00 gram sample of lauryl alcohol is dissolved in 100 g of benzene (Kf = 5.10 degrees C/m). The…

A: The molecular weight of the solute can be calculated by using the colligative properties, depression…

Q: A solution is made by dissolving 7.80 grams of MgCl2 in 420.0 mL of water. What is the freezing…

A: Given: The mass of solute, (MgCl2)= 7.80 g The molar mass of MgCl2=95.2 g/mol The volume of the…

Q: A solution is prepared by dissolving 8.62g of KCL (MM = 74.55 g/mol) into 265g of water. The density…

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