The boiling point of an aqueous solution is 101.45 Celsius. What is the freezing point? mpendix/colligativeColligative C31Constants for freezing-point depression and boiling-point elevation calculations at 1 atm:K value* Normal freezing K value Normal boiling(°C/ m)SolventFormulapoint ( °C)(°C/ m)point ( °C)waterH201.8600 05.490.512100.009 H9Ɔ20.8benzene5.122.5380.1cyclohexane C6 H 122.9280.7ethanol66-117.31.2278.49.carbonCCI 429.8-22.95.0376.8tetrachloridecamphorC.C 10 H 16 O 37.8*When using positive Kf values, assume that ATf is the absolute value of the change in temperature. If you wbe negative and so you must use negative Kf values. Either way, the freezing point of the solution should be近。

Given as the boiling point of an aqueous solution is 101.45 Celsius The freezing point has to be…

Answered: The boiling point of an aqueous…

Science

Chemistry

The boiling point of an aqueous solution is 101.45 Celsius. What is the freezing point?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter17: Spontaneity, Entropy, And Free Energy

Section: Chapter Questions

Problem 128IP: Some nonelectrolyte solute (molar mass = 142 g/mol) was dissolved in 150. mL of a solvent (density =...

See similar textbooks

Related questions

Q: 1 A certain liquid X has a normal freezing point of -7.40 °C and a freezing point depression…

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

A: Given information: Mass of naphthalene = 10.0 g Volume of benzene = 100.0 mL Density of benzene =…

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 certain liquid x has a normal freezing point of o °c and a freezing point depression constant…

A: Given: Normal freezing point = 0.0 oC Freezing point of solution = -1.1 oC mass of solvent = 650 g =…

Q: Define the following terms. Normality of solution

A: A mole of a substance refers to the mass of that substance which will contain same number of atoms…

Q: Predict differences in our global environment that may havearisen if the freezing point and boiling…

A: Differences in our global environment that may have arisen if the freezing point and boiling point…

Q: molecular mass of a substance if 22.5 g dissolved in 250 g of water produces a solution whose…

Q: A certain liquid X has a normal freezing point of -6.50 °C and a freezing point depression constant…

A: Since the mass of solute KBr = 15.2 g hence moles of KBr = mass / molar mass = 15.2 / 119 = 0.12773…

Q: A certain liquid X has a normal freezing point of 4.60 °C and a freezing point depression constant…

Q: 1 mL of sulfuric acid (H2SO4) is dissolved in 499 mL of H2O. Molar mass of H2SO4 = 98 g/mol its…

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the mole of solute…

Q: Why are the boiling points of immiscible mixtures lower than the boiling points of the two…

A: Boiling point is the temperature at which the vapor pressure of liquid become equal to the external…

Q: A solution of KClO3 contains 10 grams of solute dissolved in 100 grans of water. At 20 degrees…

A: Solute and solvent together constitute the solution. Solutions are of two types. Homogenous and…

Q: For any given mixture of two miscible liquids, which component of the mixture will be present in the…

A: Certain properties that could relate the vapor pressure of volatile liquids/volatile liquid mixtures…

Q: Essentially the question is what makes a freezing point greater.

A: Properties of a solution which depends upon the no of solute particles present in it is called…

Q: A saline solution used in itravenous drips for patients who cannot take oral fluids contains 0.92%…

Q: The freezing point of CuSO4 solution was determined to be -0.97c. Determine the moles of CuSO4, if…

A: We know that molal depression constant of water = Kf = 1.86 K kg mol-1 Given that, the freezing…

Q: ethylene glycol freezes at 11.5 °c what is its freezing point

Q: A crystalline white solid is a mixture of glucose and sucrose.is it possible that a ten grammes…

A: It possible that a ten grams sample of the solid dissolved in hundred grams of water might have a…

Q: The freezing points of three solutions of glucose in water are shown below. Arrange the solutions in…

Q: A certain liquid x has a normal freezing point of -9.80 °C and a freezing point depression constant…

Q: A sample of seawater contains 2.6 g of calcium ions in 5826 kg of solution. What is the calcium ion…

A: Given, Mass of calcium ion = 2.6 g Mass of solution = 5826 kg =…

Q: Which of the following solutions in ethanol (CH3CH₂OH) would have the lowest expected freezing…

Q: How many grams of chlorine gas are needed to make 3.20×106 g of a solution that is 1.30 ppm chlorine…

A: Given : Mass of solution = 3.20 X 106 g And concentration of chlorine = 1.30 ppm

Q: Describe an experiment demonstrating that the freezingpoint of water changes when salt (sodium…

A: Describe an experiment demonstrating that the freezing point of water changes when salt (sodium…

Q: What molality of N a Cl is required to lower the freezing point of water to -12.4 degrees C? Use…

A: Given: Freezing point of water with NaCl solution = -12.4 oC And Kf of water = 1.853 oC/m.

Q: -1 A certain liquid X has a normal freezing point of-0.50 °C and a freezing point depression…

A: Given: The normal freezing point of liquid X = -0.50 ∘C Kf = 7.06 ∘C·kg·mol-1 We have to calculate…

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: Which of the following phrases best describes the term solution? 1. A heterogeneous mixture of two…

A: Given that : We have to identify which of the following phrases best describes the term solution :…

Q: An aqueous solution has a normal boiling point of 102.2°C. What is the freezing point(in Celsius) of…

A: Colligative Properties: The properties that depends only on the number rather than nature of the…

Q: Which of the following has the lowest freezing point? A) Н.О B) N, C) SO, D) H, E) CO,

A: The freezing point is a characteristic physical property of a solid. The temperature at which a…

Q: 4 What is the freezing point of a solution that contains 64.3 g of sucrose in 200 g of water?…

A: mass of the sucrose=64.3g molar mass of sucrose=342.3 g/mole Number of moles of sucrose=64.3/342.3…

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

A: Cryoscopic constant of water is 1.86oC/molal Here, depression in freezing point is 5oC as the…

Q: isopropyl alcohol is mixed with water to produce a solution that is 40.0% alcohol by volume. how…

Q: A certain liquid X has a normal freezing point of -9.40 °C and a freezing point depression constant…

A: Given a liquid X,Normal freezing point = -9.40°CFreezing point of solution = -13.0°CDepression in…

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

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

A: We have to predict the freezing point of solution.

Q: A certain liquid X has a normal freezing point of -4.90 °C and a freezing point depression constant…

A: Given, Freezing point of liquid X = -4.900C. Freezing point depression constant, Kf = 7.860C Kg…

Q: 34.1 % (NH4 )2SO4 (molar mass = 132.1 g mol−1) has a density of 1.15 g mL−1. What is the molarity…

A: Given, The mass percentage of (NH4)2SO4 = 34.1% The density of a solution = 1.15 g/mL The molarity…

Q: 75 g of KCl is dissolved into 500 g of water. What is the freezing point of the solution in units…

A: Given, mass of KCl = 75 g mass of solvent ( water) = 500 g = 0.500 kg We know that,…

Q: 1. The enthalpy change associated with forming a solution is represented by the following equation…

Q: (Q73) A solution vapor pressure (in 55.30 torr. You s

A: Here we have to find the vapor pressure of solution containing 16.9 g MgCl2 and 815.7 g water. The…

Q: The symbol "N"stands for the concentration of solutions in morality normality morality O percentage

A: Given The symbol = N Concentration terms = Morality Normality Morality Percentage Which…

Q: The molarity of a calcium carbonate (molar mass = 100.g/mol) solution is 2.4 x 10 ^-3 . What is the…

Q: What is the freezing point of a ethanol solution if that same solution boils at 79.5 ℃? The normal…

A: Freezing point depression and boiling point elevation are colligative properties. Freezing point…

Q: An aqueous solution has a normal boiling point of 102.5 degrees Celsius. What is the freezing point…

A: The normal temperature at which the water boils is 100 degrees Celcius. So, the elevation in the…

Q: The solubility of NaOH is 129 g NaOH/100 g water at 40°C. If a solution contains 70 g NaOH in 50 g…

A: Given : Solubility of NaOH = 129 g NaOH/100 g water Mass of water = 50 g Mass of NaOH = 70 g

Q: Ethylene glycol (EG), CH₂(OH)CH₂(OH), is a common automobile antifreeze. It is water soluble and…

Question

The boiling point of an aqueous solution is 101.45 Celsius. What is the freezing point?

mpendix/colligative
Colligative C
31
Constants for freezing-point depression and boiling-point elevation calculations at 1 atm:
K value* Normal freezing K value Normal boiling
(°C/ m)
Solvent
Formula
point ( °C)
(°C/ m)
point ( °C)
water
H20
1.86
00 0
5.49
0.512
100.00
9 H9Ɔ
20.8
benzene
5.12
2.53
80.1
cyclohexane C6 H 12
2.92
80.7
ethanol
66
-117.3
1.22
78.4
9.
carbon
CCI 4
29.8
-22.9
5.03
76.8
tetrachloride
camphor
C.
C 10 H 16 O 37.8
*When using positive Kf values, assume that ATf is the absolute value of the change in temperature. If you w
be negative and so you must use negative Kf values. Either way, the freezing point of the solution should be
近。

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

Some nonelectrolyte solute (molar mass = 142 g/mol) was dissolved in 150. mL of a solvent (density = 0.879 g/cm3). The elevated boiling point of the solution was 355.4 K. What mass of solute was dissolved in the solvent? For the solvent, the enthalpy of vaporization is 33.90 kJ/mol, the entropy of vaporization is 95.95 J/K mol, and the boiling-point elevation constant is 2.5 K kg/mol.
Boiling Point Elevation/Freezing Point Depression T = m K where, for freezing point depression: T = T(pure solvent) - T(solution) and for boiling point elevation: T = T(solution) - T(pure solvent) m = (# moles solute / Kg solvent) Kb = boiling point elevation constant. Kf = freezing point depression constant. Kb and Kf depend only on the SOLVENT. Below are some common values. Use these values for the calculations that follow. Solvent Formula Kb(°C / m) Kf(°C / m) Water H2O 0.512 1.86 Ethanol CH3CH2OH 1.22 1.99 Chloroform CHCl3 3.67 Benzene C6H6 2.53 5.12 Diethyl ether CH3CH2OCH2CH3 2.02
What is ΔSsys for a freezing phase transition at 29.7 °C for a compound that freezes at 29.7 °C and the ΔHsys = -19.45 kJ mol-1 for this process? Express your answer in J mol-1 K-1 to at least two significant figures.
The table below shows temperature/composition data collected for a mixture of methylbenzene (M) and octane (O) at 1 atm. Recall that x stands for the mole fraction in the liquid and y stands for the mole fraction in the vapor in equilibrium. The boiling points for methylbenzene (M) and octane (O) are 110.60C and 125.60C, respectively. Construct the phase diagram with Temperature vs. xM. What is the composition of the vapor in equilibrium with the liquid of composition (a) xM = 0.250 and (b) xO = 0.250. T (0C) 110.9 112.0 114.0 115.8 117.3 119.0 121.1 123.0 xM 0.908 0.795 0.615 0.527 0.408 0.300 0.203 0.097 yM 0.923 0.836 0.698 0.624 0.527 0.410 0.297 0.164
At 39.9 ◦C, a mixture of ethanol (x1 = 0.9060, p1 = 130.4 Torr) and isooctane ( p2 = 43.9 Torr) forms a vapor phase with molar fraction y1 = 0.6667 at a total pressure of 185.9 Torr. (a) Calculate the activity and activity coefficient of each component. (b) Calculate the total vapor pressure that the mixture would have if it were ideal.
The freezing-point of depression of a 0.010 b acetic acid solution is 0.00193 K. Calculate thedegree of dissociation for acetic acid at this concentration. Cryoscopic constant for the aceticacid is 1.86 K mol kg mol-1.
Extra information: freezing point depression constant for the solvent (20.0 degrees Celcius kg/mol for cyclohexane)
Estimate the freezing point of 250 cm3 water sweetened by the addition of 2.7 g sucrose. Treat the solution as ideal. 0.068 0C 0.059 0C -0.068 0C -0.059 0C
Suppose that a solution made from an unknown solute dissolved in solvent X. Its molality is 0.0125 and it boils 0.047oC higher than solvent X's boiling point. With the use of valid approximations, calculate the osmotic pressure of the said solution at 60oC? The following are useful thermodynamic data for solvent X to solve the problem: ΔSvap=87.92 J*K-1mol-1 Tb=61.15oC density at 60oC=1.394 g/cm3
A solution of common salt in water is prepared by adding 50kg of salt to 200kg of water tomake a liquid density of 1250kg/m3. Calculate the concentration of salt in this solution as a: i) Weight(w/w)fraction (Ans: weight fraction 20%)
Phenol and water form non-ideal liquid mixtures. When 7.32 g of phenol and 7.95 g of water are mixed together at 60 °C they form two immiscible liquid phases with mole fractions of phenol of 0.042 and 0.161. (i) Calculate the overall mole fraction of phenol in the mixture. (ii) Use the lever rule to determine the relative amounts of the two phases.
Calculate the boiling point (Tbp) of an aqueous solution that is 2.222molal sucrose(aq)under standard conditions. Report the value with 4 sig figs.