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: 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: 32. Which one of the following is not a part of osmosis? a. osmotic pressure c. overall flow of…

A: Osmosis: The process in which solvent from solution of lower concentration is transferred to…

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

Q: How many grams of CoSO4 are there in 201 grams of an aqueous solution that is 11.6 % by weight…

A: Given- Mass of solution = 201 g Solution is 11.6 % by weight CoSO4 To find - mass of CoSO4 in…

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: A solution is made from 19.10 g of an unknown solute in 500. grams of water. The solution has a…

A: Given, Given mass of unknown solute= 19.10 g Mass of solvent= 500 g= 0.5 kg Molar mass of unknown…

Q: 262-mL solution contains 1.22 g of a non-electrolyte biomolecule as solute. The osmotic pressure was…

Q: How many grams of each substance are required to make the indicated solution? NaCl in 1200 g of a…

Q: What is the osmotic pressure of 12.6 percent by mass aqueous solution of K2SO4 with a density of…

A: Let the mass of the solution be 100g.Mass of K2SO4 = 12.6g = 12.6/174.26 = 0.072 Volume of solution…

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: Fill in the blanks: Write C if Statements a and b are correct H if both statements are incorrect E…

A: The answers of the above questions are given following steps

Q: 1. Fill in the blanks in the table for aqueous solutions of the compounds shown. The density of the…

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: 11.5g of solute is dissolved in 150.0ml of water to give a solution with a density of 1.0g/mL

A: In this problem, we are given the following values:Mass of solute (msolute) = 11.5gVolume of water…

Q: 1. Fill in the blanks in the table for aqueous solutions of the compounds shown. The density of the…

A: The objective of the question is to fill the table.

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

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

Q: 1. Find the mass percent of CaCl2 (110.98 g/mol) in a solution whose molarity is 1.45 M and whose…

A: given that,Molarity = 1.45 M = 1.45 mol/ 1L density = 1.12 g/mLvolume of the solution = 1L = 1000mL…

Q: References A bottle of wine contains 12.2% ethanol by volume. The density of ethanol (C,H,OH) is…

A: Given that : % (v/v) of ethanol in wine = 12.2 % The density of ethanol = 0.789 g/cm3

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: 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 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: None

A: Step 1: Calculate the initial amount of solute at 20.0°CThe solubility at 20.0°C is 39.1 g/100 g…

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: For questions #24 - #26 A solution contain 70.2g sugar (molar mass = 342g/mol) dissolved in 816g of…

A: Given, mass of sugar = 70.2 g Molar mass of sugar = 342 g/mol mass of water solvent = 816 g = 0.816…

Q: 1 What is the percentage by mass and ppm of the following solutions: a. 30 g of NaCl and 105g of…

A: Given:- We know that 1PPM means 106 part contains 1part solute. W/w ℅ means part of solute in…

Q: B. True or False. Please write your answer before the number. 6. The addition of sodium chloride…

A: Since you have asked a question with multiple sub-parts, as per our company guidelines we are…

Q: The. osmotic pressure of a solution that contains 19.67 mg of an unknown protein dissolved in 12.2…

A: Number of mole is calculated by dividing given mass with molecular mass.

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: 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

Q3A. Explain the effect of pressure on Chemical Equilibrium. B. B. How many grams of glucose and of water are in 500g of a 5.3% by mass glucose solution ?
a. An aqueous solution is prepared by adding 16 g of NaCl and diluting to a volume of 100 ml. The density of this solution is 1.09 g/ml. Find the molarity, molality, and mole fraction of the NaCl in this solution.
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)
USE GRESA
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
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
What is the molality of a 1.75M CaCl2(MM =111g/mol) solution? D(solution) = 1.27 g/mL
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?
2. A solution containing 3 g of organic solute and 175 g of water freezes at -0.30 0C. Findthe MM of the solute
Which relationship is correct for a solution that contains a nonvolatile solution? Time left 0: O a. The freezing point of a 0.250 m AlCl3 solution is a higher temperature than the freezing point of a 0.250 m NaCl solution. O b. As the concentration difference between solutions increases the osmotic pressure decreases. c. The boiling point of a solution is greater than the boiling point of the pure solvent. O d. The vapor pressure of a solution is greater than the vapor pressure of the pure solvent.
Circle the one best Which one of the following is not a colloid? a. aerosol b. solvent c. emulsion "A solution not in equilibrium with respect to a given dissolved substance and in which more of the substance can ssolve" is known as what type of solution? a. unsaturated b. saturated loc. supersaturated Which one of the following is not a stable common ion? b. Bi³+ c. Sr2+ a. C12- d. p3- Which one of the following has the second highest boiling point? a. H₂Te b. H₂O c. H₂Se d. H₂S What is another name for a "lone pair"? a. base pair What occurs at the triple point in a phase diagram? b. There are three different melting points available. a. There are three different boiling points available. c. All phases are in equilibrium. udzianwollet end. A supercritical fluid has formed. "A measure of the ability of an atom in a molecule to draw bonding electrons to itself" is the definition of what? a. electronegativity b. totality c. bond order d. polarity b. nonbonding pair Which one of these…