Q Quiz 20 • Points 5 • Submitting a file upload Here's a copy of Quiz #20. To answer the questions, you can write on the .pdf with a touchscreen, you can print out the quiz on paper and write in your answers, or you can write your answers on a separate sheet of paper. Save your work as a .pdf, and submit your work using the Submit Assignment button at the top of the page. QUIZ #20 – 5 points CHEM 305 Summer 2021 Name:____________________________________________ Answer the question below using the following information and chemical equation: PV = nRT R = 0.0821 L•atm/mol•K MM PCl5 = 208.22 g/mol 2 PCl5 (s) º 2 P (s) + 5 Cl2 (g) A 122 g sample of solid PCl5 is heated inside a sealed 9.50 L flask, and it completely decomposes into solid phosphorus and chlorine gas. At the end of the reaction, the pressure of the Cl2 gas is measured at 15.1 atm. To what temperature was the flask heated ( in EC) ?