Respuesta :
4CO2 is 4 molecules of CO2. CO2 consists of one carbon atom and two oxygen atoms.
The statement of number of molecule is "4."
What is a molecule?
A molecule is a group of two or more atoms bound together by chemical bonds, which are attractive forces. Carbon dioxide(CO2) is a chemical molecule that is comprised of one carbon atom and two oxygen atoms. In 4CO2, the number of molecules present in it comes out to be 4.
Hence, the correct answer is 4.
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