Explore BrainMass

Molecular Formula of Thiophene

This content was STOLEN from BrainMass.com - View the original, and get the solution, here!

Thriophene is a carbon-hydrogen-sulfur compound used in the manufacture of pharmaceuticals. When burned completely in excess oxygen, its combustion products are CO2, H2O, and SO2. Combustion of a 0.535 g sample yields 1.119 g CO2, 0.229 g H2O, and 0.407 g SO2. What is the empirical formula of thiophene? The molar mass of thiophene is 84.14 g/mol. What is its molecular formula?

© BrainMass Inc. brainmass.com September 21, 2018, 12:05 am ad1c9bdddf - https://brainmass.com/chemistry/stoichiometry/molecular-formula-thiophene-48813

Solution Preview

Mol. Wt of CO2 = 44
Number of moles of CO2 = 1.119/44 = 0.025432

Mol. Wt of H2O = 18
Number of moles of ...

Solution Summary

The molecular formula of thiophene, a pharmaceutical, is determined. The empirical formula must first be found through stoichiometric principles.