Explanation Given data Percentage of Carbon = 41.8 % Percentage of Hydrogen = 4 .7% Percentage of Oxygen = 37 .3 % Percentage of Nitrogen= 16 .3 % Amount of organic compound in water = 7. 480g Osmotic pressure of the solution = 1 .43 atm Temperature = 27°C Calculation of molarity of the solution M= π RT = 1 .43atm (0 .08206L .atm/K .mol)(300K) = 0 .0581mol/L By plugging in the values of osmotic pressure of the solution, gas constant and temperature, molarity has calculated. Calculation of mole of solute mole of solute = 0 .0581 mol 1L × 0 .3000 = 0 .0174mol By multiplying the molality by mass of solvent, mole of solute has calculated. Finding molar mass of unknown solution molar mass of solution = 7 .480g 0 .0174mol = 430g/mol By dividing the mass of the solute by moles of solute, molar mass of the solution has calculated. Finding molecular formula of the solid n C = (41 .8g)× 1molC 12 .01gC = 3 .48 mol C n H = (4 .7g)× 1molH 1

13th Edition

ISBN: 9781259911156

Author: Raymond Chang Dr., Jason Overby Professor

Publisher: McGraw-Hill Education

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Chapter 12, Problem 12.65QP

Interpretation Introduction

Interpretation:

Molecular formula of the compound has to be determined.

Concept introduction:

Molecular formula: The chemical formula that gives total number and kind of atoms in molecules but not structural array.

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Chapter 12, Problem 12.64QP

Chapter 12, Problem 12.66QP

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Chapter 12 Solutions

Chemistry

Ch. 12.2 - Prob. 1PE Ch. 12.2 - Prob. 1RCF Ch. 12.2 - What is the strongest type of intermolecular force...Ch. 12.3 - Prob. 2PE Ch. 12.3 - Prob. 3PE Ch. 12.3 - Prob. 4PE Ch. 12.3 - Prob. 5PE Ch. 12.3 - A solution is prepared at 20C and its...Ch. 12.3 - Determine the percent composition by mass of LiCl...Ch. 12.3 - Prob. 3RCF

Knowledge Booster

Molecular formula of the compound has to be determined. Concept introduction: Molecular formula : The chemical formula that gives total number and kind of atoms in molecules but not structural array.

Solution Summary: The author explains the chemical formula that gives total number and kind of atoms in molecules but not structural array.

Interpretation:

Molecular formula of the compound has to be determined.

Concept introduction:

Molecular formula: The chemical formula that gives total number and kind of atoms in molecules but not structural array.

Want to see the full answer?

Chapter 12 Solutions

Molecular formula of the compound has to be determined. Concept introduction: Molecular formula : The chemical formula that gives total number and kind of atoms in molecules but not structural array.

Solution Summary: The author explains the chemical formula that gives total number and kind of atoms in molecules but not structural array.

Interpretation: Molecular formula of the compound has to be determined. Concept introduction: Molecular formula: The chemical formula that gives total number and kind of atoms in molecules but not structural array.

Want to see the full answer?

Chapter 12 Solutions

Interpretation:

Molecular formula of the compound has to be determined.

Concept introduction:

Molecular formula: The chemical formula that gives total number and kind of atoms in molecules but not structural array.