Holy Mole-y!

Molar Mass

100

This is the molar mass of gold.

What is 197 g/mol?

200

This is the molar mass for H₂S_(g)

What is 34 g/mol ?

300

This is the molar mass for molecular nitrogen, N_2(g)

What is 28 g/mol?

400

This is the molar mass for aluminum oxalate, Al₂(C₂O₄)_3(s)

What is 318 g/mol?

500

This is the molar mass for CuSO₄5H₂O ?

What is 250 g/mol ?

Mole-Gram & Gram-Mole

100

This is the number of grams in 0.35 moles of Ar_(g)

What is 14 grams?

200

This is the number of moles in 150 grams of KF_(s)

What is 2.59 moles?

300

This is the number of grams in 0.25 moles of calcium chloride

What is 19.5 grams?

400

This is the number of moles in 7.5 grams of Ca(OH)_2(s)

What is 0.10 moles?

500

This is the number of grams in 0.15 moles of ammonium sulfate

What is 19.8 grams?

Mole-Gram & Gram-Mole II

100

This is the number of moles in 8.8 grams of Fe(s)

What is 0.16 moles?

200

This is the number of grams in 1.75 moles of CO₂(g)

What is 77 grams?

300

This is the number of moles in 88 grams of potassium sulfide

What is 0.8 moles?

400

This is the number of grams in 0.005 moles of (NH₄)₂O_(s)

What is 0.26 grams?

500

This is the number of moles in 15.5 grams of copper (II) thiocyanate

What is 0.09 moles?

Mole

100

What is Avogadro's #

6.02 x 10²³

200

What does Avogadro's number tell us 

the # of particles (atoms, molecules, formula units)

300

How many atoms are in 1 mole of silver?

6.02 x 10²³ atoms of Silver

400

What is the significance of the mole?

It allows us to count atoms and molecules?

500

How many moles of silicon dioxide in 1.24 x 10²⁴ particles?

2 moles of silicon dioxide