A gaseous compound of phosphorus (P) and fluorine (F) was found to have a density of 3.50 g L' at a temperature of 25.0 °C and a prcssure of 740 torr. It was also found to consist of 35.2% P and 64.8% F in a volume of 1 L. Assume that the mass of the sample is 100.0 g. Determine a) (i) its empirical formula (ii) its molecular mass using its empirical formula stated in part (i) (iii) its molecular mass using ideal gas law (iv) its molecular formula. Explain why the molecular formula is same as empirical formula. Given that the molecular mass of P is 30.97 g mol·'; the molecular mass of F is 19 g mol'; 1 atm = 760 torr

A gaseous compound of phosphorus (P) and fluorine (F) was found to have a density of 3.50 g L' at a temperature of 25.0 °C and a prcssure of 740 torr. It was also found to consist of 35.2% P and 64.8% F in a volume of 1 L. Assume that the mass of the sample is 100.0 g. Determine a) (i) its empirical formula (ii) its molecular mass using its empirical formula stated in part (i) (iii) its molecular mass using ideal gas law (iv) its molecular formula. Explain why the molecular formula is same as empirical formula. Given that the molecular mass of P is 30.97 g mol·'; the molecular mass of F is 19 g mol'; 1 atm = 760 torr

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...

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