The Mole

Mixed Bag

100

Why do we use moles?

to make it easier to calculate 

200

To find out how many grams are in 1 mole we look at

atomic or molecular mass found on the periodic table

300

Avogradro number

6.022*10²³

400

Number of moles in 6.022 x 10²³ molecules of Carbon dioxide

1 mole

500

What two things a mole is equal to.

Avagadro's number OR molar mass in grams

Molar Mass

100

The unit for molar mass

grams/mol (g/mol)

200

This chart is essential for computing molar mass.

periodic table

300

How many grams in 4.5 moles of pure water?

81 grams

400

This fraction is the conversion factor to convert grams of a substance to moles.

1 mol / molar mass

500

What is the molar mass of Glucose (C₆H₁₂O₆)

180 grams

Calculations

100

What is the molar mass of Carbon Dioxide?

44 amu or grams

200

How many moles of Platinum are in 4.8 x 10²³ atoms?

0.797 mol Pt

300

How many moles of Sodium Oxide are in 310 grams of the compound?

5 moles Na₂O

400

How many grams of AlN are in 3.21 x 10¹⁸ molecules

0.0002185 grams

500

How many molecules are in 134.6 grams of Ca(OH)₂?

1.095 x 10²⁴ molecules Ca(OH)₂

Representative Particles

100

Zn is what type of representative particle

Zinc is an atom

200

Br₂ is what type of representative particle?

Br₂ is a molecule 

300

What type of representative particles is C₅H₁₀? And how many atoms are in it?

Molecule, 15 

400

What type of representative particle is and what is it made of Rh(NO₃)₃

Ionic Compound, formula unit and it is composed of 1 Rh ion and 3 nitrate ions

500

How many ions are in the following compound Fe₂(SO₄)₃

5