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The Mole  Mr. Glass
Introduction to the mole for High School Chemistry
by
TweetScott Glass
on 2 March 2018Transcript of The Mole  Mr. Glass
THE MOLE
A MOLE
IS NOT
A MOLE IS
6.02 x 10
23
1 mol equals 602,214,179,000,000,000,000,000
it's a NUMBER used to
MEASURE AMOUNT
trio = 3
dozen = 12
gross = 144
One mol of C is 12.01g
That's the # of these:
p
p
p
p
p
p
You need to make 12.00 grams
12.01g is 6.02 x 10 single atoms of Carbon
23
or 602,214,179,000,000,000,000,000 atoms
1 mol of Hydrogen weighs 1.0079g
1 mol of Cobalt weighs 58.93g
1 mol of Uranium ____________
1 mol of Gold ____________
1 mol of Oxygen ____________
1 mol of Nitrogen ____________
H
Co
U
Au
O
N
Since there's 3 different isotopes of carbon, 1 mol of carbon will weigh 12.01g
C
C
C
98.93%
1.07%
.000000001%
12
13
14



e

e
e
e
e

e

n
n
n
n
n
n
+
+
+
+
+
+
o
o
o
o
o
o
6.02 x 10
23
So 12.01 is the
In order to have 1 mol of carbon in the real world, you need 12.01 grams of the black stuff.
REAL WORLD AVERAGE
Try this:
If you have 3.5 mol of Carbon, how many atoms are there?
well, we know that 1 mol is 6.02 x 10 so,
23
3.5 mol
6.02 x 10 atoms
1 mol
23
= 2.1 x 10 atoms C
24
How much does 3.50 mol of Carbon weigh?
The periodic table says 1 mol weighs 12.01g
3.50 mol
12.01 grams
1 mol
3.50 x 12.01 = 42.0 grams
How many atoms are in 10.0 mol of gold?
How many atoms are in 0.0825 mol of sulfur?
How many molecules are in 0.39 mol of carbon monoxide?
How many atoms in 0.39 mol of CO?
What does 15.4 mol of water weigh?
What does 1 mol of water weigh?
How many moles are in 0.018 g of Fe?
What does 3.75 mol of Cobalt weigh?
*your recomended daily value
abbreviated
I think from here on you can say "that's a lot of atoms"
Abundance on Earth
or shiny clear rock stuff
1 dozen eggs = 12 eggs
12 atoms
one mol
one dozen
OR BUCKMINSTERFULLERINES!!
1
3
4
5
6
2
7
8
23
OR GRAPHENE!!!
What is the mole's favorite movie?
Guardians of the Molaxy
What's the mole's favorite college football team?
The Florida State Semimoles
Who is the the mole's favorite actor?
Mole Gibson
What is the mole's favorite band?
Molford and sons
Why are moles bad at counting?
Because they only know one number.
What's the mole's favorite pop?
CocaMola.
What's the mole's favorite Jedi?
Molbiwon Kenobi
What's the moles favorite color?
Molegenta
Why do moles love mexican restaurants?
Mole sauce
Why are moles always on the phone?
Because they love moleble devices.
Why do moles love Tyra Banks?
Because she's a super moldel
What is the mole's favorite line from the Wizard of Oz?
"I'm moleting, I'm moleting."
Why don't moles like teenage actresses?
Look at Lindsay Molehan and Moley Cyrus that's why!
Why are moles always eating?
Because they're molenourished.
What is the mole's favorite Adele song?
Molein' in the deep
5.45 x 10 atoms of W is how many mol?
7.45 x 10 atoms of C is how many mol?
23
23
A sample of Ni weighs 2.34 g, how many mol?
Phosphorus has a mass of 75.2 g, how many atoms are in that sample?
Too easy?
Try these:
SuperSecret BONUS ?'s
carbon
6 protons
6 electrons
6 neutrons
The average mass of carbon = 12.01 g
Sig Figs
Atoms
grams
mol
6.02 x 10 atoms = 1 mol
23
(molar mass) g = 1 mol
the conversion guide:
this video goes way further than we need, but the first 8 min are Au!
How would you compare atoms and grams?
Try this:
3.5 x (6.02 x 10 )
23
Try this:
5.42 x 10 atoms of Oxygen, how many mol?
well, we know that 1 mol is 6.02 x 10 so,
23
5.42 x 10 atoms
1 mol
6.02 x 10 atoms
23
= .900 mol O
How many mol in 4.59g of Silicon?
The periodic table says 1 mol weighs 28.04g
4.59 g
1 mol
28.04 g
4.59 / 28.04 = 0.164 mol
Try this:
(5.42 x 10 ) / (6.02 x 10 )
23
23
23
23
mole
mole
mole rat
mole
guacamole
mol = 6.02 x 10
1 mol of songs on my iphone = 602,214,179,000,000,000,000,000 songs
1 mol of Valentine's cards = 602,214,179,000,000,000,000,000 Valentine's cards
1 mol of broken hearts = 602,214,179,000,000,000,000,000 broken hearts
1 mol of atoms = 602,214,179,000,000,000,000,000 atoms
1 mol of molecules = 602,214,179,000,000,000,000,000 molecules
1 mol of dollars = a molinaire!
1 mol of eggs = 602,214,179,000,000,000,000,000 eggs
1 mol of muffins = 602,214,179,000,000,000,000,000 muffins
1 mol of elephants = 602,214,179,000,000,000,000,000 elephants
1 mol of sand grains = 602,214,179,000,000,000,000,000 sand grains
1 mol of cat videos = 602,214,179,000,000,000,000,000 cat videos
Amount...
23
1 mol of He atoms = 6.02 x 10
How Many?
How Much?
How Big?
Count
Mass
Volume
10 bottles
5 kg (11 lb)
5 liters
A MOLE
of ATOMS
How Many?
How Much?
How Big?
atoms
1 mol of He atoms = 4.00 grams
1 mol of He atoms = 22.4 liters
6.02 x 10
23
is called
Avagadro's Number
it is not
pronounced
"avacado"
Count, Mass, and Volume can be used to measure the ammount of atoms in a sample.
AVAGADRO's NUMBER
is a key factor when we count atoms
1 mol of C atoms
6.02 x 10 atoms
12.01 g of atoms
1 mol of C atoms
1 mol of C atoms
.075 liters
23
=
=
= 1
This is a piece of coal. Coal is 100% carbon, so we can resonably assume that all of it's atoms are carbon atoms. But, HOW MANY ATOMS are there in this piece?
If we know the weight, we can do this!
12.01 g C = 1 mol of C = 6.02 x 10 atoms
23
weight = 9.75 g
Use
6.02 x 10 atom = 1 mol
23
Use
(periodic table)
molar mass g = 1 mol
conversion factor:
conversion factor:
MOLAR MASS g/mol
Full transcriptA MOLE
IS NOT
A MOLE IS
6.02 x 10
23
1 mol equals 602,214,179,000,000,000,000,000
it's a NUMBER used to
MEASURE AMOUNT
trio = 3
dozen = 12
gross = 144
One mol of C is 12.01g
That's the # of these:
p
p
p
p
p
p
You need to make 12.00 grams
12.01g is 6.02 x 10 single atoms of Carbon
23
or 602,214,179,000,000,000,000,000 atoms
1 mol of Hydrogen weighs 1.0079g
1 mol of Cobalt weighs 58.93g
1 mol of Uranium ____________
1 mol of Gold ____________
1 mol of Oxygen ____________
1 mol of Nitrogen ____________
H
Co
U
Au
O
N
Since there's 3 different isotopes of carbon, 1 mol of carbon will weigh 12.01g
C
C
C
98.93%
1.07%
.000000001%
12
13
14



e

e
e
e
e

e

n
n
n
n
n
n
+
+
+
+
+
+
o
o
o
o
o
o
6.02 x 10
23
So 12.01 is the
In order to have 1 mol of carbon in the real world, you need 12.01 grams of the black stuff.
REAL WORLD AVERAGE
Try this:
If you have 3.5 mol of Carbon, how many atoms are there?
well, we know that 1 mol is 6.02 x 10 so,
23
3.5 mol
6.02 x 10 atoms
1 mol
23
= 2.1 x 10 atoms C
24
How much does 3.50 mol of Carbon weigh?
The periodic table says 1 mol weighs 12.01g
3.50 mol
12.01 grams
1 mol
3.50 x 12.01 = 42.0 grams
How many atoms are in 10.0 mol of gold?
How many atoms are in 0.0825 mol of sulfur?
How many molecules are in 0.39 mol of carbon monoxide?
How many atoms in 0.39 mol of CO?
What does 15.4 mol of water weigh?
What does 1 mol of water weigh?
How many moles are in 0.018 g of Fe?
What does 3.75 mol of Cobalt weigh?
*your recomended daily value
abbreviated
I think from here on you can say "that's a lot of atoms"
Abundance on Earth
or shiny clear rock stuff
1 dozen eggs = 12 eggs
12 atoms
one mol
one dozen
OR BUCKMINSTERFULLERINES!!
1
3
4
5
6
2
7
8
23
OR GRAPHENE!!!
What is the mole's favorite movie?
Guardians of the Molaxy
What's the mole's favorite college football team?
The Florida State Semimoles
Who is the the mole's favorite actor?
Mole Gibson
What is the mole's favorite band?
Molford and sons
Why are moles bad at counting?
Because they only know one number.
What's the mole's favorite pop?
CocaMola.
What's the mole's favorite Jedi?
Molbiwon Kenobi
What's the moles favorite color?
Molegenta
Why do moles love mexican restaurants?
Mole sauce
Why are moles always on the phone?
Because they love moleble devices.
Why do moles love Tyra Banks?
Because she's a super moldel
What is the mole's favorite line from the Wizard of Oz?
"I'm moleting, I'm moleting."
Why don't moles like teenage actresses?
Look at Lindsay Molehan and Moley Cyrus that's why!
Why are moles always eating?
Because they're molenourished.
What is the mole's favorite Adele song?
Molein' in the deep
5.45 x 10 atoms of W is how many mol?
7.45 x 10 atoms of C is how many mol?
23
23
A sample of Ni weighs 2.34 g, how many mol?
Phosphorus has a mass of 75.2 g, how many atoms are in that sample?
Too easy?
Try these:
SuperSecret BONUS ?'s
carbon
6 protons
6 electrons
6 neutrons
The average mass of carbon = 12.01 g
Sig Figs
Atoms
grams
mol
6.02 x 10 atoms = 1 mol
23
(molar mass) g = 1 mol
the conversion guide:
this video goes way further than we need, but the first 8 min are Au!
How would you compare atoms and grams?
Try this:
3.5 x (6.02 x 10 )
23
Try this:
5.42 x 10 atoms of Oxygen, how many mol?
well, we know that 1 mol is 6.02 x 10 so,
23
5.42 x 10 atoms
1 mol
6.02 x 10 atoms
23
= .900 mol O
How many mol in 4.59g of Silicon?
The periodic table says 1 mol weighs 28.04g
4.59 g
1 mol
28.04 g
4.59 / 28.04 = 0.164 mol
Try this:
(5.42 x 10 ) / (6.02 x 10 )
23
23
23
23
mole
mole
mole rat
mole
guacamole
mol = 6.02 x 10
1 mol of songs on my iphone = 602,214,179,000,000,000,000,000 songs
1 mol of Valentine's cards = 602,214,179,000,000,000,000,000 Valentine's cards
1 mol of broken hearts = 602,214,179,000,000,000,000,000 broken hearts
1 mol of atoms = 602,214,179,000,000,000,000,000 atoms
1 mol of molecules = 602,214,179,000,000,000,000,000 molecules
1 mol of dollars = a molinaire!
1 mol of eggs = 602,214,179,000,000,000,000,000 eggs
1 mol of muffins = 602,214,179,000,000,000,000,000 muffins
1 mol of elephants = 602,214,179,000,000,000,000,000 elephants
1 mol of sand grains = 602,214,179,000,000,000,000,000 sand grains
1 mol of cat videos = 602,214,179,000,000,000,000,000 cat videos
Amount...
23
1 mol of He atoms = 6.02 x 10
How Many?
How Much?
How Big?
Count
Mass
Volume
10 bottles
5 kg (11 lb)
5 liters
A MOLE
of ATOMS
How Many?
How Much?
How Big?
atoms
1 mol of He atoms = 4.00 grams
1 mol of He atoms = 22.4 liters
6.02 x 10
23
is called
Avagadro's Number
it is not
pronounced
"avacado"
Count, Mass, and Volume can be used to measure the ammount of atoms in a sample.
AVAGADRO's NUMBER
is a key factor when we count atoms
1 mol of C atoms
6.02 x 10 atoms
12.01 g of atoms
1 mol of C atoms
1 mol of C atoms
.075 liters
23
=
=
= 1
This is a piece of coal. Coal is 100% carbon, so we can resonably assume that all of it's atoms are carbon atoms. But, HOW MANY ATOMS are there in this piece?
If we know the weight, we can do this!
12.01 g C = 1 mol of C = 6.02 x 10 atoms
23
weight = 9.75 g
Use
6.02 x 10 atom = 1 mol
23
Use
(periodic table)
molar mass g = 1 mol
conversion factor:
conversion factor:
MOLAR MASS g/mol