A certain substance X has a normal freezing point of 5.2 °C and a molal freezing point depression constant K, = 7.23 °C·kg-mol -1 Calculate the freezing point of a solution made of 15.34 g of urea (NH,),CO)- CO dissolved in 300. g of X. Round your answer to 2 significant digits.

A certain substance X has a normal freezing point of 5.2 °C and a molal freezing point depression constant K, = 7.23 °C·kg-mol -1 Calculate the freezing point of a solution made of 15.34 g of urea (NH,),CO)- CO dissolved in 300. g of X. Round your answer to 2 significant digits.

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

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Related questions

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: What will be the change in freezing point temperature (in °C) of barium hydroxide when added to 500…

A: Change in freezing point of a solution is equal to the product of cryoscopic constant and molality…

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

A: We know that, depression in freezing point is given by, ΔTf =…

Q: Find the morality of urea (a molecular compound with molar mass 60.06g)in a solution obtained by…

A: The density of water is 1g/mL. The volume of the water (or approximately equal to the volume of the…

Q: A certain liquid X has a normal freezing point of −7.30°C and a freezing point depression constant…

A: δTf = i x Kf x m----(1) where δTf = To - Ts To = freezing point of pure solvent = −7.30°C Ts…

Q: A certain liquid X has a normal boiling point of 141.20 °C and a boiling point elevation constant K…

A: Given :- Mass of Zinc chloride, ZnCl2 = 0.12 kg = 120 g Mass of Liquid X = 800. g = 0.8 kg Kb for…

Q: What are the boiling point and freezing point of a 1.47 m solution of naphthalene in benzene? Note:…

A: Answer:- This question is answered by using the simple concept of colligative properties which…

Q: A certain substance X has a normal boiling point of 105.7 °C and a molal boiling point elevation…

A: Elevation in boiling point = I ×m × Kb

Q: The solubility in water of ionic compound X is measured and found to be 28.2 g at 10. °C. Calculate…

A: Given: Solubility of water in the ionic compound is 28.2 g/L. Mass of saturated solution = 45.0 g.

Q: Calculate the mass percent of a NaCl solution in which 189 g of NaCl is dissolved in 4.69 L of water…

A: Given that, Mass of NaCl to be dissolve in water m1 = 189 g Volume of NaCl solution in water m2 =…

Q: 3. Dissolving 1.10 g of an unknown compound in 75.22 g of benzene reduces its freezing point from…

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

Q: A certain liquid X has a normal freezing point of 4.30 °C and a freezing point depression constant…

A: Depression in freezing point is colligative property. ∆Tf is the depression in freezing point. Kf…

Q: Ethylene glycol [CH₂(OH)CH₂(OH)] is a common automobile antifreeze. Calculate the freezing point and…

A: The mass of ethylene glycol = 393 g The mass of water = 1055 g = 1.055 kg Freezing point of…

Q: A certain liquid x has a normal freezing point of 2.90 °C and a freezing point depression constant =…

A: Given: The normal freezing point of liquid X = 2.90 oC The freezing point depression constant, Kf =…

Q: When answering this problem, report the answer with the appropriate number of significant figures.…

Q: A certain liquid X has a normal boiling point of 117.50 °C and a boiling point elevation constant K=…

A: Given: The Kb for liquid X = 1.510C kg mol-1. The boiling point of liquid X (T0b) = 117.50C. The…

Q: A certain liquid X has a normal freezing point of 7.10°C and a freezing point depression constant…

Q: A certain liquid X has a normal freezing point of -2.10 °C and a freezing point depression constant…

A: In the given question we have to calculate the mass of solute (ZnCl2) dissolved in solvent X. First…

Q: 1- The molal freezing point depression constant K .= 4.12 °C·kg•mol ' for a certain substance X.…

A: When a non volatile solute is added to a pure solvent its freezing point decreases. The depression…

Q: A certain tonic compound X has a solubility in water of 32.8 at 10. "C. Calculate the greatest mass…

A: Given : solubility = 32.8 g/Litre Temperature = 10 °C = 283 K

Q: A certain liquid X has a normal freezing point of 0.80°C and a freezing point depression constant…

A: For colligative properties Depression in freezing point, ∆T= imKf Where, i - vant hoff factor m…

Q: A certain liquid X has a normal freezing point of 2.50 °C and a freezing point depression constant…

A: Molality of the solution si calculated as follows, Molality of 32.g of sodium…

Q: A certain liquid X has a normal freezing point of 1.00 °C and a freezing point depression constant K…

A: According to the depression in freezing point expression,∆Tf = i × Kf × mWhere,∆Tf = Tfsolvent -…

Q: . A solutia A certain liquid X has a normal freezing point of -4.20 °C and a freezing point…

A: First calculate the change in freezing point for the solution and use it to calculate the mass of…

Q: Urea (NH2)2CO, is dissolved in 105.0 g of water. The solution freezes at -0.605°C. How many grams of…

A: Given,

Q: A certain liquid X has a normal boiling point of 91.50 °C and a boiling point elevation constant K…

Q: point of a solution ca

Q: A certain substance X has a normal freezing point of 4.1 °C and a molal freezing point depression…

A: Given, Freezing point of X solvent (Tf(X solvent)) = 4.1°C Freezing point of solution (Tf(solution))…

Q: A certain liquid x has a normal freezing point of 2.30 °C and a freezing point depression constant…

Q: A certain liquid X has a normal freezing point of -6.20 °C and a freezing point depression constant…

Q: A certain liquid has a normal freezing point reezing point dep ssion some sodium chloride (NaCl) in…

A: Given : data Tip: apply equation of depression in freezing point

Q: A certain substance X has a normal freezing point of -2.5 °C and a molal freezing point depression…

A: Given that: Freezing point of pure substance X (Tf°) = -2.5°CKf = 7.95 °C kg mol-1Mass of urea =…

Q: What is the boiling point of a solution of 0.186 g of glycerol, C3 Hs O3, in 20.0 g of water? For

A: ∆Tf=kf ×m and ∆Tb=kb ×m Where ∆Tf = depression in freezing point ∆Tb= Elevation in Boiling point m…

Q: A certain liquid X has a normal boiling point of 142.00 °C and a boiling point elevation constant K₁…

Q: Calculate the boiling point (in °C of a solution that is made from 48.6 g of a nonelectrolyte (M =…

A: Given data The mass of nonelectrolyte solute = 48.6 g Molar mass of nonelectrolyte solute =…

Q: A certain substance X has a normal freezing point of - 10.2 °C and a molal freezing point depression…

Q: A certain liquid X has a normal freezing point of -5.00 °C and a freezing point depression constant…

Q: A certain liquid X has a normal freezing point of 1.30 °C and a freezing point depression constant…

Q: Urea (NH2)2CO, is dissolved in 105.0 g of water. The solution freezes at -0.605°C. How many grams of…

Q: When answering this problem, report the answer with the appropriate number of significant figures.…

A: The objective of the question is to determine the moles of solute present.It is given that,The mass…

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

Q: None

A: Step 1: Step 2:

Q: -1 A certain liquid X has a normal freezing point of -9.00 °C and a freezing point depression…

A: Freezing point of a liquid is defined as the temperature at which it gets converted to solid.…

Q: The normal freezing point of a certain liquid X is 6.60 °C, but when 97. g of barium hydroxide…

A: The depression in freezing point is a colligative property and it is given by the formula, T-Tf…

Q: A certain liquid X has a normal boiling point of 144.90 °C and a boiling point elevation constant…

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

Question

4
6.
7
8.
A certain substance X has a normal freezing point of 5.2 °C and a molal freezing point depression constant K, = 7.23 °C·kg•mol.Calculate the freezing point of a solution
%3D
made of 15.34 g of urea ((NH,) CO) dissolved in 300. g of X.
Round your answer to 2 significant digits.
Submit Assignment
Continue
O 2022 McGraw Hill LLC. All Rights Reserved.
. Terms of Use | Privacy Center I Accessibility
II
Finder
F10
F11
F12
Dex
F7
F8
F9
F6 .
F5
III
F4
O-
F1
APP1
F2
APP2
F3
APP3
Esc
DO
&

Expert Solution

This question has been solved!

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

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

Pleae keep in mind sig figs and if it needs scientific notation. TYSM :)
Calculate the freezing point of a solution of 367.4 g of ethylene glycol (C,H,O,, 62.067 g/mol) dissolved in 547.9 g of water. K = 1.86°C/m for water. Enter your temperature to one decimal place. Answer:
-1 A certain substance X has a normal boiling point of 117.9 °℃ and a molal boiling point elevation constant K₂=2.27 °C.kg-mol O Calculate the boiling point of I a solution made of 49.6 g of urea ((NH₂)₂CO) dissolved in 750. g of X. Round your answer to 4 significant digits. °C x10
A certain liquid X has a normal boiling point of 141.90 °C and a boiling point elevation constant K, = 1.32 °C·kg•mol¯. Calculate the boiling point of a solution made of 23.g of urea (CH,N,O) dissolved in 700. g of X. Round you answer to 5 significant digits. x10 ?
Please solve
can u help me w this question
A certain liquid X has a normal boiling point of 129.10 °C and a boiling point elevation constant K₁=0.95 °C-kg-mol¯¹. Calculate the boiling point of a solution made of 58.g of benzamide (C₂H₁NO) dissolved in 400. g of X. Round your answer to 4 significant digits. [°C x10 X Ś
A certain liquid X has a normal boiling point of 125.60 °C and a boiling point elevation constant K =0.71 °C-kg-mol¯¹ Calculate the boiling point of a solution made of 133.g of zinc chloride (ZnCl₂) dissolved in 700. g of X. Round your answer to 4 significant digits.
A certain substance X has a normal freezing point of -1.1 °C and a molal freezing point depression constant K = 2.14 °C-kg-mol by dissolving some urea ((NH2),CO) i in 650. g of X. This solution freezes at -3.2 °C. Calculate the mass of urea that was dissolved. Round your answer to 2 significant digits. X $ 1 A solution is prepared
A solution is made by dissolving 7.60 grams of MgCl2 in 160.0 mL of water. What is the freezing point of this solution (in °C)? Express you answer to 3 significant digits. 1.00 g/mL |Density of water Kf of water 1.86°C/m
A certain liquid X has a normal freezing point of -1.20 °C and a freezing point depression constant -1 K₁=5.73 °C kg-mol . A solution is prepared by dissolving some ammonium sulfate ((NH4), SO4) in 750. g of X. This solution freezes at -6.4 °C. Calculate the mass of (NH4) SO4 that was dissolved. Round your answer to 2 significant digits. g x10 X Ś
nheducation.com Saved Be sure to answer all parts. Ethylene glycol CH,(OH)CH,(OH) is a common automobile antifreeze. Calculate the freezing point and boiling point of a solution containing 223 g of ethylene glycol and 1055 g of water. (K, and K for water are 0.52°C/m and 1.86°C/m, respectively.) freezing point PC boiling point °C Prey 9 of 10 Ne