NY Regents Chemistry Exam June 2022
34 What is the molecular formula for CH3CH2COOCH3?
(1) C2H4O
(2) C2H4O2
(3) C4H8O
(4) C4H8O2
Explanation: For the molecular formula, we have to calculate the number of atoms of each element. There are 4 carbons, 8 hydrogens, and 2 oxygens.
Answer: 4