A chemist needs to prepare 2.00 L of a 0.250 M solution of potassium permanganate (KMnO4). What mass of KMnO4 does she need to make the solution?

It would be true sodium reacts with water in a violent way 

Answer it was we, the the whole people, who formed the union. and we formed it, not to give the blessings of liberty, but to secure them: not to the half of ourselves and the half of our posterity, but to the whole people- women as well as men.