Which statement best describes a typical difference that could be found between the “analysis” and “conclusion” sections of a lab report?

Can someone me with these questions plz.

The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.

What substance has a mass of 9.5g and volume of 2.1cm^3