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Avogadro's Number
Conversion Between Units
Formula Mass
Percent Composition
Empirical/Molecular Formula
100
The numerical value of Avogadro's number.
What is 6.02 x 10^23?
100
This includes the meter, liter, gram, kelvin, joule, and mole.
What are base units?
100
Definition of formula mass.
What is the mass of a compound expressed in grams per mole?
100
Definition of percent composition.
What is the mass of the atom divided by the mass of the whole compound, then multiplied by 100 %?
100
Definition of empirical formula.
What is the simpliest formula where the subscripts are in lowest terms?
200
Molecules, atoms, ions, etc.
What are possible units of Avogadro's constant?
200
The unit for current.
What is ampreres (amp)?
200
Other terms that are synonymous with formula mass.
What are molar mass, atomic mass, or molecular weight?
200
The numerator of the equation for percent composition with units.
What is the mass of the atom (g/mol)?
200
The first step in when finding the empirical formula.
What is take the percents and write them in grams?
300
The namesake of Avogadro's constant.
Who is Amedeo Avogadro?
300
The biggest metric prefix and it's value.
What is Mega (M) and 1 x 10^6?
300
The number of places past the decimal one takes the atomic mass.
What is one decimal place?
300
The denominator of the equation for percent composition with units.
What is the mass of the whole (g/mol)?
300
One must do this if he/she does not get a whole number answer.
What is multiply all of the numbers by another number to get a whole number (ex 1.5 x 2 = 3)?
400
This is closely related to Avogadro's constant.
What is Avogadro's number?
400
The smallest metric prefix and it's value.
What is Pico (P) and 1 x 10^-12?
400
The calculated formula mass of HCl
What is 36.5 gram/mole?
400
One must multiply by this to determine the percent of the composition.
What is 100?
400
The second step when finding the molecular formula.
What is find the formula mass for the empirical formula?
500
The value of Avogadro's constant in lbs/mol^-1.
What is 2.73 x 10^26?
500
The unit that always gets the "1".
What is the bigger unit?
500
The calculated formula mass of Ca(NO3)2.
What is 164.1 gram/mole?
500
The percent composition of carbon in CO2.
What is 27.29 percent?
500
The molecular formula of compound with a composition of 40.00 % C, 6.72 % H, and 53.29 % O.
What is C6H12O6?