Question 2 [20 points]. Methylene chloride (CHCl, also known as dichloromethane)

Question

Question 2 [20 points]. Methylene chloride (CHCl, also known as dichloromethane) is a colorless volatile solvent. a) Perform a search online or in the library to determine the density of water and pure methylene chloride at the same temperature. Report your results in units of kg/m3 in a complete sentence, with footnotes to the source(s) that you consulted. Specify the temperature at which your densities were measured. As for all outside research activities in this class, your source(s) must be scientifically credible; aggregators including Wikipedia, Google, and PubChem cannot be cited but may help track down credible sources. For books: provide the author, date, title, and publisher. . For journal articles: provide the author, date, article title, journal name, volume, and page numbers. For webpages or online reports: provide the page/report name, author (person or organization), date (if available), and URL b) How many moles of methylene chloride are in a circular barrel of pure methylene chloride that is 85 cm high and 57 cm in diameter? Specify the temperature at which your calculation is valid. c) The barrel of methylene chloride was dumped into a large industrial vat that contained 1,400 m3 of fresh water at the same temperature as the methylene chloride. The methylene chloride dissolved in the water and did not increase the solution volume, but the solution in the vat now weighed more because it had both water and methylene chloride in it. What was the average mass fraction of chloride in the large vat?

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Question 2 [20 points]. Methylene chloride (CHCl, also known as dichloromethane)

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