Chapter 5: Stoichiometry
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Last updated 1:33 AM on 3/30/23
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20 Terms
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empirical formula
simplest ratio of elements in a polyatomic ions
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molecular formula
true ratio of elements in a polyatomic ion
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avogadro’s constant
6\.02x10^23
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conversion sequence
when going from substance A to substance B, it must be mol A to mol B
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limiting reactant
the first reactant to be fully used/consumed when a reaction occurs
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theoretical yield
the max amount of product able to be formed in a reaction
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percent composition
how much of an element is in a polyatomic ion
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empirical formula for benzene (C6H6)
CH
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empirical formula of sugar glucose (C6H12O6)
CH2O
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When rounding to a whole number in empirical formula calculations, the decimal must be within ____ of a whole number
.1
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under STP, 1 mol gas converts to ____ liters
22\.4
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STP is ____ atmospheres
1
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STP is ____ degrees Celsius
0
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Molarity units
M
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Molarity is the number of ____ dissolved in 1 liter of solution
moles
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there are ____ atoms in one mole
6\.02x10^23
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symbol for moles in equations
n
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metric prefixes
added to base units to increase value
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stoichiometry
quantitive relations between different values and units
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dimensional analysis
method of stoichiometry
Flashcards (84)