The Mole
A mole is a ____.
Counting Unit
The unit for molar mass
grams/mol (g/mol)
What is the molar mass of Carbon Dioxide?
44 amu or grams
6.02 x 1023 particles is referred to as ____.
Avagadro's number
Used by chemists to express amounts of particles such as atoms, molecules or ions
Mole
How many grams are in a mole.
atomic or molecular mass found on the periodic table
This chart is essential for computing molar mass.
periodic table
How many moles of Platinum are in 4.8 x 1023 atoms?
0.797 mol Pt
This is a fraction used in mole calculations in which the numerator and denominator are equal to each other
conversion factor
Conversion Factor used to convert from particles to moles
6.02 x 1023 particles / 1 mol
What is the abbreviation for the mole?
mol
Molar mass for a molecule is the sum of the ___ masses for each atom.
atomic
How many moles of Sodium Oxide are in 310 grams of the compound?
5 moles Na2O
Dimensional Analysis uses a series of these fractions in order to change from one unit to another
conversion factor
Why do we use moles?
to make calculations easier
How many atoms are in a mole?
6.02 x 1023 atoms
This fraction is the conversion factor to convert grams of a substance to moles.
1 mol / molar mass
How many grams of AlN are in 3.21 x 1018 molecules
0.0002185 grams
True or False: the numerator and the denominator of a conversion factor can be switched if need be.
True
Number of moles in 6.022 x 1023 molecules of Carbon dioxide
1 mole
What two things a mole is equal to.
Avagadro's number OR molar mass in grams
What is the molar mass of Glucose (C6H12O6)
180 grams
1.095 x 1024 molecules Ca(OH)2
Dimensional Analysis is based on the idea of being able to cancel these.
Units
How many particles are in 34.5 grams of Na2S?
2.66 x 1023 particles