Ps. Not graded. For questions #9 - #12A solution was prepared by dissolving 11.0g of compound in 270.0g of ethanol raising the boling point to80.31°C?9. What is the boiling point elevation?a. 1. 51°Cb. 1.12°CC. 1.27°Cd. 1.91°C10. What is the molality of the solution?a. 4.42mb. 3. 22mc. 2.71md. 1. 55m11. Based on molality, what is the number of moles of the compound?a. 0.419moleb. 0.342molec. 0.253mole d. 0.132mole12. What is the molar mass of the compound?a. 15.98g/mol b. 26.25g/molc. 39.54g/mol d. 44.56g/mol14AEAVE

Answered: Image /qna-images/answer/d6a06159-6b0a-4108-8cd5-caa9a7d9c68e.jpg

For questions #9- #12 A solution was prepared by dissolving 11.0g of compound in 270.0g of ethanol raising the boiing point to 80.31°C? 9. What is the boiling point elevation? a. 1. 51°C b. 1.12°C C. 1.27°C d. 1.91°C 10. What is the molality of the solution? а. 4.42m 11. Based on molality, what is the number of moles of the compound? b. 3. 22m c. 2.71m d. 1.55m a. 0.419mole b. 0.342mole c. 0.253mole d. 0.132mole 12. What is the molar mass of the compound? a. 15.98g/mol b. 26.25g/mol c. 39.54g/mol d. 44.56g/mol MOITAUJAV V

For questions #9- #12 A solution was prepared by dissolving 11.0g of compound in 270.0g of ethanol raising the boiing point to 80.31°C? 9. What is the boiling point elevation? a. 1. 51°C b. 1.12°C C. 1.27°C d. 1.91°C 10. What is the molality of the solution? а. 4.42m 11. Based on molality, what is the number of moles of the compound? b. 3. 22m c. 2.71m d. 1.55m a. 0.419mole b. 0.342mole c. 0.253mole d. 0.132mole 12. What is the molar mass of the compound? a. 15.98g/mol b. 26.25g/mol c. 39.54g/mol d. 44.56g/mol MOITAUJAV V

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter12: Solutions

Section: Chapter Questions

Problem 12.98QE

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