a. Draw all possible stereoisomers of 2-chloro-3-methylbutane with dash-wedge formulas in the box below. b. How many stereoisomers are possible? c. Connect each stereoisomer to each other in pairs with a line between them and write their relationship to each other on the line. a. Draw all possible stereoisomers of 2-bromo-3-chlorobutane with dash-wedge formulas in the box below. b. How many stereoisomers are possible? c. Connect each stereoisomer to each other in pairs with a line between them and write their relationship to each other on the line.