Answer: Determining a Molecular FormulaMesitylene, a
Chapter , Problem 2PE(choose chapter or problem)
Problem 2PE
Determining a Molecular Formula
Mesitylene, a hydrocarbon found in crude oil, has an empirical formula of C3H4 and an experimentally determined molecular weight of 121 amu. What is its molecular formula?
Ethylene glycol, used in automobile antifreeze, is 38.7% C, 9.7% H, and 51.6% 0 by mass. Its molar mass is 62.1 g/mol. (a) What is the empirical formula of ethylene glycol? (b) What is its molecular formula?
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