The empirical formula of an organic compound gives the simplest whole number ratio of the different elements in the compound. In this case, the empirical formula of the compound is CH2O, which means that the compound is made up of one Carbon atom, two Hydrogen atoms, and one Oxygen atom.
The molecular mass of a compound can be determined by adding up the atomic masses of all the atoms in its empirical formula. The atomic mass of Carbon is 12.0107 g/mol, the atomic mass of Hydrogen is 1.008 g/mol, and the atomic mass of Oxygen is 15.9994 g/mol.
So, the molecular mass of the compound with an empirical formula of CH2O is (12.0107 + 2 x 1.008 + 15.9994) g/mol = 30.03 g/mol
Therefore, the molecular mass of the compound is 30.03 g/mol.