The Mole MoleParticle Conversions Measuring Matter Measure amounts

The Mole & Mole-Particle Conversions Measuring Matter Measure amounts of something with three different methods— by count, by mass, and by volume.

(way more than ) (x Billons x 10 thousands? ) video clip

1 mole of atoms is about 602, 200, 000, 000 atoms!

2 Avogadro’s exact value from wikipedia: Constant 6. 02214076 x 1023

How do we get the number? The mole is the amount of substance of a system which contains as many things as there atoms in 12 grams of carbon- 12; its symbol is "mol".

• The Pacific Ocean contains approx. 1 mole of m. L o water.

Which weighs more? Which has more animals? 6. 022 x 1023 atoms of Ne of C (20. 1798 (12. 0108 grams) Which weighs more? Which has more atoms? The number of grams in a mole of particles is different by substance.

A mole of any substance contains Avogadro’s number of particles, or 6. 022 1023 particles. (particles = atoms, molecules, units…) Type 1 Moles Particles 3. 0 mol x 6. 022 x 1023 atoms = _____ atoms 1 mol Type 2 Particles 1. 5 x 1024 molecules x Moles 1 mol of molecules 6. 022 x 1023 molecules = ___ mol of molecules

Type 1 Moles Particles How many molecules are in 2. 12 mol of propane gas (C 3 H 8) ? 2. 12 mol x _________ 6. 022 x 1023 molecules= ___ molecules 1 mol 1. 28 x 1024 molecules of propane gas

Type 2 Particles Moles 1 mol = ___ mol 1. 25 x 1023 atoms x _______ 6. 022 x 1023 atoms 0. 208 mol

How many moles is 2. 17 x 1024 molecules of Br 2 ? Type 2 Particles Moles 1 mol 2. 17 x 1024 molecules x ________ = ___ mol 6. 022 x 1023 molecules 3. 60 mol

How many atoms are in 1. 14 mol SO 3? Moles Particles 1. 14 mol x 6. 022 x 1023 moleculesx 4 atoms = 1 molecule Type 1 WS Moles & (plus) 2. 75 x 1024 atoms Molar Mass