Avogadro’s Number. 6.02x10 23. mole = (mol) 602000000000000000000000. Mole. A mole is just a number like… Pair = 2Trio = 3 Dozen = 12Baker’s dozen = 13 Gross = 144Score= 20 Century=100Ream=500. How BIG is a mole?. There are ~ 6.6 billion people on Earth
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mole = (mol) 602000000000000000000000
Pair = 2Trio = 3
Dozen = 12Baker’s dozen = 13
Gross = 144Score= 20
There are ~ 6.6 billion people on Earth
How many Earths would it take to equal the population
of 1 mole?
9.12 x 1013
2.06 x 109 years
They would create a sphere
Water molecules are so small
that a mole of H2O = 18ml
THAT’s WHERE THE
MOLE COMES IN!
of all the oceans in all
1 mol C atoms = 6.02 x 10 23 C atoms = 12g C
PracticeRemember . . .1 mole = 6.02x1023atoms or molecules =______ g from the periodic table
Stoichiometry of Chemical Formulas
1 mole of NaCl = 58g = 6.02x1023 particles of NaCl
1 mole of H2O = 18g = 6.02x1023 molecules of H20
Use factor label & follow the units!
PracticeRemember . . .1 mole = 6.02x1023atoms or molecules =______ gfm from the pt
contains 6.02 x 1023 molecules and
occupies a volume of 22.4L
standardtemperature & pressure
0oC or 273K
101.3kPa or 1 atm
1 mole of O2(g) = 32g
1 mole of NH3(g) = 17g
we can calculate Density!
Remember . . .
1 mole = 6.02x1023atoms or molecules =gfm = 22.4L (g)
“it’s a simple matter
of weight ratios . . .”
6CO2 + 12 H2O + 2804kJ 6O2 + C6H12O6 +6H20