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stoichiometry (The mole (stoichiometric relationship in elements and…
stoichiometry
The mole
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Coefficient:
the coefficients in the chemical reaction are the ratio as the mole
mole ratio based on the balanced chemicial equation are needed as well as mass to mole conversions
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significant figures
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The significant figures of a number are digits that carry meaning contributing to its measurement resolution. This includes all digits except: All leading zeros.
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avogadro's number
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Avogadro's number is defined as the number of elementary particles (molecules, atoms, compounds, etc.) per mole of a substance.
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limiting reactants
Excess reactants are the greater amount than necessary to react completely with the limiting reactant.
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solve the limiting reaction:
1.change all the given measurement to mole
2.using the smallest mole volume calculate the theoretical the other reactant (using big map )
3.compare what is have to and what is need
4..excess reactant are the greater amount
less than need is limiting reactant
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The limiting reactant is the reagent that is totally consumed when the chemical reaction is complete.
The other reactant is said to be in “excess)
percent yield
Percent ratio of actual yield to the theoretical yield.
Useful determination of how much of a reactant has been successfully converted to product
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