What mass is shown on the triple-beam balance? A. 64.47 g B. 604.47 g C. 45.70 g D. 60.47 g

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers