greater than the mass of the carbon plus the mass of the oxygen equal to the mass of the carbon plus the mass of the oxygen equal to the mass of the carbon less than the mass of the carbon
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: When carbon and oxygen combine chemically, the mass of the product is
Possibilities:
- greater than the mass of the carbon plus the mass of the oxygen
- equal to the mass of the carbon plus the mass of the oxygen
- equal to the mass of the carbon
- less than the mass of the carbon

equal to the mass of the carbon plus the mass of the oxygen