Ou were instructed to rinse the filter pipettes with methanol and with hexane. obviously thereason for this is to remove any contaminants that may be present on the glass or cotton. usingwhat you learned about the physical properties of organic compounds in 40a, why were thesolvents methanol and hexane chosen

Plz mark brainliest 30 points 1) find the momentum of a 12 kg snowball that is rolling with a velocity of 9 m/s. 2) an 8 ball with a mass of .5 kg is sitting at rest. it is hit by the cue ball (1 kg) traveling at 2.5 m/s. if the cue ball is at rest after the collision, how fast is the 8 ball traveling after the collision? 3) two football players are running toward each other. if the offensive player is 75 kg and is running 8 m/s, how fast must the 60 kg defensive player run in order for the two players to hit and stop?