The movement of a solvent through a membrane separating two solutions of different concentrations. The solvent from the side of weaker concentration usually moves to the side of the stronger concentration, diluting it, until the concentrations of the solutions are equal on both sides of the membrane.
We manage Trafalgar Square, one of Londonâs most vibrant spaces in the middle of the city. Find out about the history of this heritage site, its statues and its fountains.
Staying in Trafalgar Square / Embankment. With its iconic Nelsonâs Column, majestic oversized lions and brightly-lit fountains, Trafalgar Square is not just considered the heart of this bustling London hub, but the very core of the city itself.