How many moles are in 1.25 L of a 0.25 M MgCl2 solution?

Who is better, messi or cristiano, i need this for a chemistry class. asap

Over the last 90 years, scientists have added to the body of evidence supporting the big bang theory. what is the latest piece of evidence discovered in 2014?

The diagram below shows the movement of particles. what does this piece of evidence best support? the collision theory the maxwell-boltzmann distribution the effect of pressure on reaction rates the effect of temperature on reaction rates