By Avery Carrico and Nick Ponturo

• Mole- used to convert from atomic mass units to grams

• Scientists use the mole as a unit of measurement

• Abbreviation= mol• Amedeo Avogadro discovered the mole• Avogadro’s number= 6.02 x 1023

• Stoichiometry- The use of the amount of particles, the mass or the volume of a reactant or product to calculate the amount of particles, the mass or the volume of another reactant or product.

• Write balanced chemical equation• Convert quantities of known substances into

moles• Use coefficients in balanced equation to

calculate the number of moles of the sought quantity

• Convert moles of sought quantity into desired units

Mole Trivia Conversion Factors Stoichiometry

10

20

30 30

20

10

30

20

10

QUESTION:

•What is the abbreviation for Mole?

ANSWER:

•Mol

QUESTION:

•What do scientists use the mole for?

ANSWER:

•As a unit of measurement

QUESTION:

•Who discovered the mole?

ANSWER:

•Amedeo Avogadro

QUESTION:

•How do you convert grams to moles?

ANSWER:

•Divide by the molar mass

QUESTION:

•How do you convert liters to moles?ANSWER:

•Divide by 22.4

QUESTION:

•How do you convert atoms to moles.

ANSWER:

•Divide by Avogadro’s number

QUESTION:

•2H2+O2 2H20•If you have 2.0 grams of O2, assuming excess H2, how many moles of H2O are created?

ANSWER:

•0.25 moles of H2O are created

QUESTION:

•2Na + Cl2 2NaCl•If you have 3.00 moles of Na, assuming excess Cl, how many atoms of NaCl are created?

ANSWER:

•1.81 x 1024 atoms of NaCl

QUESTION:

•H2 + Cl2 2HCl•How many liters of HCl are created from 3.4g of H2, assuming excess Cl2?

ANSWER:

•75L of HCl are produced