The label on a bottle shows the following information: C2H4O, molar mass 44.06 grams per mole. The formula must be:

a. the empirical formula only

b. the molecular formula only

c. the empirical formula and the molecular formula

d. neither the empirical formula nor the molecular formula

The formula can be empirical because the subscripts are reduced to the lowest fraction.

To check if this formula is also the molecular formula we can check by obtaining the molar mass of the compound it is equal to the given molar mass. Thus

12*2 + 4*1 + 16 = 44 g/mol

this is ~equal to the given molar mass thus the given equation can be both empirical and molecular.