Mole Valley Mole Valley Mole Valley is a local government district in Surrey, England. Its council is based in Dorking. The two towns in the district are Dorking and Leatherhead. The largest villages are Ashtead, Fetcham and Great Bookham, in the northern third of the district. The rest of the district includes some of the Surrey Hills AONB, the middle of the district is dominated by the North Downs, including Polesden Lacey, Box Hill, Denbies Wine Estate (the largest vineyard in the country ) and parts of the Pilgrims' Way, the southern third includes Leith Hill and the Greensand Ridge. There are
Mole fraction the phenomenon of diffusion. Mole fraction In chemistry, the mole fraction or molar fraction (x) is defined as the amount of a constituent (expressed in moles), "n", divided by the total amount of all constituents in a mixture (also expressed in moles), "n": The sum of all the mole fractions is equal to 1: The same concept expressed with a denominator of 100 is the mole percent or molar percentage or molar proportion (mol%). The mole fraction is also called the amount fraction. It is identical to the number fraction, which is defined as the number of molecules of a