2 possibly 3 depends on if that of what looks like a zero is an O which it isn't so 2 but if it is 3.
It means that is it a sugar molecule
1.97moles
106.7/(1.01x2+16)/3x1 = 1.97
Answer:
Molecules make scents. Aromatic ones (That is, containing rings of carbon atoms with delocalised electrons). Some unpleasant smells are due to hydrogen and sulphur groups.
Explanation: