A compound was sent off for elemental analysis and was found to have following composition: C 70.6%,...

Question

A compound was sent off for elemental analysis and was found to have following composition: C 70.6%, H 5.9%, O 23.5%, if the molecular formula has a molar mass of 204.0 g/mol. Determine the empirical formula and molecular formula of this compound.

Robert · Accepted Answer

TTs130512_ste30514_1 
Ans) 
Calculate the empirical formula 
Compare EFW to molecular weight 
Multiply empirical formula by proper scaling factor
The solution has following steps 
Calculation of empirical formula: 
Carbon =70.6/12.011 g/mole =5.877 
Hydrogen =5.9/1.008 =5.8531 
Oxygen =23.

A compound was sent off for elemental analysis and was found to have following composition: C 70.6%, H 5.9%, O 23.5%, if the molecular formula has a molar mass of 204.0 g/mol. Determine the empirical...

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