Unit 5: The Mole
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6 Terms
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What is a mole?
Similar to a dozen or a decade, it’s word used to represent a number.
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What does 1 mole equal?
6.02 × 10²³
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What is the molar mass?
The weight of an element or compound. Round value on periodic table to one decimal point.
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When do you need to find molar mass in a conversion problem?
When it relates to grams.
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What is percent composition?
Tells you how much of a compounds mass comes from each element.
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3 steps to finding percent compositions
Calculate molar mass of whole compound
Find total mass contributed by element
Divide elements mass by total compound mass
Note 
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