when a teaspoon full of salt is addedto a cup of warm water, white crystals are seen at the buttomof the cup. can you see the compents of the mixture separtly

Plz mark brainliest 30 points1) 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?

In which reaction is precipitation occurring?

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?