molarity

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Molarity is the number of moles of solute per one liter of solution. The symbol for molarity is a capital M.In chemistry, a solution is a mixture of two or more substances in which neither substance changes chemically. For example, salt water is a solution that contains water (the solvent) and salt (the solute). Concentration is the amount of dissolved substance in a solution. In other words, it is the amount of stuff that has been mixed into your liquid. Concentration is usually measured in molarity.A mole is a basic unit in chemistry. It is the amount of a substance in grams that contains as many atoms, molecules, or ions as 12 grams of carbon-12 (6.022 x 1023) does. A mole of oxygen, for example, is 6.022 x 1023 atoms of oxygen.Molarity is the number of moles of a solute per liter of solution. If we wanted to know the molarity of our saltwater solution, we’d want to know how many moles of salt are in every 1 liter of the water.