The state's landlord-tenant laws protect people living in dwellings owned or leased by others. A person need not be listed on a formal lease to gain protection under these laws, but may gain protection by establishing residence in a place.
The mole is useful in chemistry because it is defined such that the mass of Avogadro's number of particles (atoms or molecules) of a substance (the molar mass) is equal to the sum of the numerical values of the atomic masses of its constituent elements.
With moles, you count the number of molecules in the sample by weighing it. Learn to convert between moles and molecules, and moles and grams. 1  Using moles to count molecules. 2  A mole of any substance is 6.02Ã10 23 molecules of that substance. 3  You can use this as a conversion factor to turn moles into molecules.