Mass percent tells you the percentage of each element that makes up a chemical compound 1 finding the mass percent requires the molar mass of the elements in the compound in grams mole or the number of grams used to make a solution 2 it is simply calculated using a basic formula dividing the . Mass percent grams of solute grams of solution x 100 mass percent 6 g naoh 56 g solution x 100 mass percent 01074 x 100 answer 1074 naoh example 3 find the masses of sodium chloride and water required to obtain 175 g of a 15 solution. Percent means per 100 parts where for solutions part refers to a measure of mass g mg g kg etc or volume l ml l etc in percent solutions the amount weight or volume of a solute is expressed as a percentage of the total solution weight or volume. Mass percent is used as a way of expressing a concentration or a way of describing a component in a mixture for a solution the mass percent is expressed as the grams of solute divided by the grams of solution then multiplied by 100 to get a percentage mass percent formula questions 1 calculate . The mass of the solution is equal to the mass of the solvent added to the mass of the solute for example if given a solution that contains 50 grams of a solute and 1100 grams of solvent then the mass mass percent concentration of the solute is 50 grams 50 1100 x 100 percent which is equal to 435 percent the mass mass percent
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