At 298.15K the osmotic pressure of the unknown substance was found to be at2.25x10ʻPa. If the concentration is at12.75kg/m3 and the density of the aqueoussolution is at 997kg/m³. The unknown substance mass percent compositioncontained 60%C, 8%H and 32%O. Find the following:a. Molecular weight of the soluteb. Molecular formula of the solutec. The freezing point and boiling point of the solution.

Answered: Image /qna-images/answer/82a88ce7-d81e-4f51-b9f4-0c0f84e5cc9c.jpg

At 298.15K the osmotic pressure of the unknown substance was found to be at 2.25x10ʻPa. If the concentration is at12.75kg/m and the density of the aqueous solution is at 997kg/m2. The unknown substance mass percent composition contained 60%C, 8%H and 32%O. Find the following: a. Molecular weight of the solute b. Molecular formula of the solute c. The freezing point and boiling point of the solution.

At 298.15K the osmotic pressure of the unknown substance was found to be at 2.25x10ʻPa. If the concentration is at12.75kg/m and the density of the aqueous solution is at 997kg/m2. The unknown substance mass percent composition contained 60%C, 8%H and 32%O. Find the following: a. Molecular weight of the solute b. Molecular formula of the solute c. The freezing point and boiling point of the solution.

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: An 8.00% by mass solution of NaCl (at 25 °C) has a density of 1.05412 g/mL. What is its molarity and…

Q: What is the melting point of a solution prepared from the given quantity of solute in 1.00 kg of…

A: The question involves calculating the melting point (or freezing point) of a solution prepared by…

Q: Calculate the osmotic concentration of a solution that contains: 100 mM NaCl…

A: We know that osmotic pressure is a colligative property and is depends on the number of particles in…

Q: 217. mg of an unknown protein are dissolved in eñough solvent to make 5.00 mL of solution. The…

A: Given : Mass of protein = 217 mg volume of solution = 5.00 mL Osmotic pressure = 0.0364 atm…

Q: The concentration of an aqueous solution is at 14.98kg/m and its densify is 997.5kg/m. Upon testing,…

A: Given: Concentration of solution = 14.98 kg/m3 = 14.98 g/L density of solution = 997.5 kg/m3 = 997.5…

Q: You have prepared a solution that contains 50 mL of aqueous sulfuric acid and 1000 mL of water. c.…

Q: entrations and complete dissoc

A: 1) Freezing point is the specific temperature at which vapor pressure of solid is equal to…

Q: What is the molality of a solution made from 100.1 g of NaCI and 440.0 g of water

A: Given, Mass of NaCl = 100.1 g Mass of water = 440.0 g = 0.440 Kg Molality of the solution = ? Note:…

Q: When 3.56 g of a nonelectrolyte solute is dissolved in water to make 925 mL of solution at 21 °C,…

A: Given, mass of nonelectrolyte solute (m) = 3.56 g Note: 1000 mL = 1 L Volume of solution (V) = 925…

Q: Which of the following statements is TRUE regarding colligative properties in solution? Select one:…

A: Option a is incorrect since any colligative property depends only on the number of particles but not…

Q: Consider a solution of 34.2 g of sucrose and 200g of water. The solution has a density of 1.1 g/mL…

A: a) mass percentage = (mass of solute/ mass of solution) × 100 b) mole fraction = moles of the…

Q: 3. A 15,0L of kCi has a concentration of 0.894 M. Determine the ff- a. Mass fraction (Puct + 1.91)…

A: Given, Molarity of KCl = 0.894 M Volume in L = 15.0 L Determine the following : a). Mass fraction…

Q: Indicate which of the following molecular characteristics will be expected to increase the…

A: Solubility of solute in solvent: - The maximum amount of solute per unit volume of saturated…

Q: Match the following aqueous solutions with the appropriate letter from the column on the right.…

A: The colligative properties are those properties of solutions that depend on the number of solute…

Q: When 3.69 g3.69 g of a nonelectrolyte solute is dissolved in water to make 425 mL425 mL of solution…

Q: Match the following aqueous solutions with the appropriate letter from the column on the right.…

A: Freezing point is a colligative property. Greater is the product of no. of ions and molality…

Q: 4. a. The pressure in the jar with the solution with a nonvolatile solute is than the pressure in…

A: The vapour pressure of the solution containing the non volatile solute is less than that of the…

Q: #6 For me to understand please describe ( not examples ) explain the concept of osmosis, and…

A: Concentration is the term used to express the amount of solute present in a given amount of…

Q: Write C if Statements a and b are correct H is both statements are incorrect E…

A: Freezing point - The point at which liquid turns into a solid , is known as freezing point. Osmotic…

Q: 12. A solution is prepared by dissolving 7.8 g of ethylene glycol (HOCH₂CH₂OH, 62.07g/mol) in 50.0 g…

Q: How many grams of each substance are required to make the indicated solution? NaCl in 500 g of a…

Q: n terms of attraction why does adding a solute increase the boiling point of a solution? B I

A: Solutions are formed by mixing of the solute in the solvent.

Q: A 5.0 m aqueous solution containing which solute will have the lowest freezing point? Please choose…

A: The compound which have highest no of ion have lowest freezing point. The size of Ca is smaller than…

Q: Match the following aqueous solutions with the appropriate letter from the column on the right.…

A: When a non-volatile solute is added to a pure solvent the freezing point of the solvent decreases.…

Q: Calculate the molality of a solution that contains 42 g of naphthalene, C10H8 (Molar mass: 128g/mol)…

Q: When 2.15 g of a nonelectrolyte solute is dissolved in water to make 725 mL of solution at 26 °C,…

A: Given: Mass of solute = 2.15 g. Volume of solution = 725 mL = 0.725 L…

Q: For a 25.0% solution of CaCl2, calculate the: a). mass of CaCl2 in 460.0 grams of soution b). amount…

A: Mass percent of a solution is determined as mass % =mass of solutemass of solution×100% Thus using…

Q: 3. 29 of NacI is dissolved in 500 g of water at 35'C. Determine the ff: Pwact + 2. 16 a. Boiling…

A: Since you asked a question with multiple sub-parts, we will solve first three sub-parts for you. For…

Q: A solution is prepared by dissolving 10 g of glucose, CH1,06, in 100 g of water. What is the…

A: Given : The mass of glucose dissolved is 10 g. The mass of water is 100 g.

Q: When 4.76 g of a nonelectrolyte solute is dissolved in water to make 115 mL of solution at 24 °C,…

Q: Part B. What is the molality (m) of the solution resulting when 36.5 grams of hydrochloric acid…

A: Molality is the ratio of moles of solute to mass of solvent in Kilogram.

Q: Calculate the molality of an NH, solution made up of 30.0 g of NH, in 70.0 g of water. The density…

A: Given values are, Mass of NH3 = 30.0 g Mass of water = 70.0 g=0.070 kg Standard value, Molar mass of…

Q: Match the following aqueous solutions with the appropriate letter from the column on the right.…

A: Answer: Depression in freezing point of a solution is: ∆Tf=i×Kf×m Here: ∆Tf=depression in freezing…

Q: Which of the following three solute/solvent pairs are insoluble? Choose one or more: O…

Q: Match the following aqueous solutions with the appropriate letter from the column on the right.…

A: To solve this problem we will use the formula of freezing point depression .

Q: 4*) Consider the three solutions listed below that are prepared by dissolving 1 mole of the…

A: Answer:- This question is answered by using the simple concept of lowering of vapor pressure when a…

Q: When 2.60 g of a nonelectrolyte solute is dissolved in water to make 275 mL of solution at 29 °C,…

A: Given information:Mass of electrolyte = 2.60 gVolume of solution = 275 mLOsmotic pressure = 915…

Q: Find the molality of a solution made by adding 8g of NaOCI to 5000g of water. (MW: Na-23 g/mol, O-16…

Question

At 298.15K the osmotic pressure of the unknown substance was found to be at
2.25x10ʻPa. If the concentration is at12.75kg/m3 and the density of the aqueous
solution is at 997kg/m³. The unknown substance mass percent composition
contained 60%C, 8%H and 32%O. Find the following:
a. Molecular weight of the solute
b. Molecular formula of the solute
c. The freezing point and boiling point of the solution.

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

Step 2

Step 3

Step 4

Step 5

Step 6

Step 7

Step 8

Step 9

Step 10

Step by step

Solved in 10 steps with 10 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

4 2 The topic is Colligative Properties of Solutions. Write the step by step solution please
What is the boiling point of a solution that contains 1.00 kg of water and each of the following quantities of solute?a. 2.00 moles of sucrose (a molecular compound) b. 2.00 moles of fructose (a molecular compound) c. 2.00 moles of Na2SO4 (an ionic compound) d. 2.00 moles of KCl (an ionic compound)
Match the following aqueous solutions with the appropriate letter from the column on the right. 1.0.14 m MNI2 A. Lowest freezing point 2.0.16 m MgCI2 B. Second lowest freezing point 3.0.17 m CuCl2 C. Third lowest freezing point 4.0.46 m Sucrose(nonelectrolyte) D. Highest freezing point
The solubility in hexane of organic compound O is measured and found to be 11.1 at 5. "C. Calculate the volume of a saturated solution of O in hexane that L would contain 26.0 g of O at this temperature. Be sure your answer has the correct unit symboi and 3 significant digits. 0 D.B H d DO G
Match the following aqueous solutions with the appropriate letter from the column on the right. 1.0.13 m MgCl2 A. Lowest freezing point 2.9.3x10-2 m Na3PO4 B. Second lowest freezing point 3.0.17 m NaCH3COO C. Third lowest freezing point 4.0.31 m Glucose(nonelectrolyte) D. Highest freezing point
50.00 ml of 0.120 mol/L MgSO4 solution is made to be using MgSO4. 7H2O, which has a molar mass of 246.47 g/mol. a. How many moles of solid MgSO4. 7H2O are required?
19
2. A solution containing 3 g of organic solute and 175 g of water freezes at -0.30 0C. Findthe MM of the solute
Calculate the percent concentration by mass (% m/m) of a solution prepared by combining 43.44 grams of NaF with 1156.56 grams of H2O. a. 2.62% b. 6.62% c. 6.32% d. 3.62%
A gas has a solubility of 0.019 g/L at a pressure of 4.1 atm. At what pressure would its solubility be at 0.34 g/L?
Calculate the mole fraction of sodium chloride in a solution that is 10.5% by mass (The density of the solution is 1.12 g/mL) Periodic Table d Potentially Useful Information mass of solute mass% mass of solution Xsolute = moles solute total moles of solution Molarity = molality moles solute L solution moles solute kg solvent 100
isited Match the following aqueous solutions with the appropriate letter from the column on the right. 1.0.12 m AlBr3 A. Lowest freezing point 2.0.18 m FeCl₂ B. Second lowest freezing point C. Third lowest freezing point 3.0.17 m Co(CH3COO)2 4.0.58 m Urea(nonelectrolyte) D. Highest freezing point Submit Answer Retry Entire Group for this question. 9 more group attempts remaining Previous Nex> Save and Exit