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### 13 Cards in this Set

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 A number placed before a chemical formula to indicate the number of molecules or moles present. COEFFICIENT Two things that can be represented by a coefficient. RATIO of MOLES or MOLECULES The amount of mass in one atom or molecule or compound. AMU (ATOMIC MASS UNIT) The mass of 1 mole of an element or compound. ATOMIC MASS Another word for atomic mass, typically referring to a compound or molecule. FORMULA MASS or MOLECULAR WEIGHT Name for 6.022 x 10^23. AVOGADRO'S NUMBER Equal to 6.022 x 10^23 atoms or molecules. MOLE Where do you look to convert grams to moles? PERIODIC TABLE Where do you look to convert moles of one substance to moles of another? COEFFICIENTS ON THE CHEMICAL EQUATION What do you use to determine molecular weight (also called formula mass)? # g from periodic table = 1 mole What does M (molarity) mean? mole/L What do you use to convert between moles and molecules? AVOGADRO'S NUMBER (6.022 x 10^23) How many milliliters in one liter? 1000