A mole is the "counting" unit for chemists to calculate the metal contents of ores. Avogadro's number represents one mole and the number is 6.02 x 1023. The symbol for the unit mole is mol. The molar mass is the mass, usually in grams, of one mole of a substance. To find the molar mass of a compound you need to add up the masses of each element in the compound. After knowing the molar mass of an element you can find the percent composition of the element.
Monday, June 30, 2014
The Mole Concept
A mole is the "counting" unit for chemists to calculate the metal contents of ores. Avogadro's number represents one mole and the number is 6.02 x 1023. The symbol for the unit mole is mol. The molar mass is the mass, usually in grams, of one mole of a substance. To find the molar mass of a compound you need to add up the masses of each element in the compound. After knowing the molar mass of an element you can find the percent composition of the element.
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