Grams A <-> Moles A
Grams A <-> Particles A
Mole Ratio
100
What are the units for molar mass?

grams/mole 

100

If you have 3.636 grams of Aluminum, how many molecules do you have? 

8.12*1022 molecules 

100

CO2 + 2LiOH --> Li2CO3 + H2

How many moles of LiOH are required to react with 20 mol of CO2?

40 mol LiOH

200

You are given 12 grams of Aluminum (Al), how many moles do you have?

0.445 mols Al 

200

If you have 5.716 grams of Ohow many molecules is this?

1.07 *1023 molecules 

200

2Mg +O2 --> 2MgO 

How many moles of MgO are produced from 1.2 moles of Mg?

1.2 Mol MgO 

300

You are given 6.99 moles of NH4 how many grams is this?

126.09 grams 

300

If you have 7.98*1045 atoms of Nickle, how many grams do you have?

7.77*1023 grams 

300

  2H2    +   O2  →   2H2O


If 3.33*1043 moles of H2O are produced, how many moles of O2 were reacted?

1.665*1043 moles O2

400
How many grams are there if I have 1.7 moles of Sulfuric Acid (H2SO4)?

166.73 grams 

400

A penny contain 0.0625 grams of copper, how many many copper molecules is this? 

5.92*1020 atoms 

400

2KClO2 --> 2KCl + 3O2 

How many molecules of KCl are produced if 5.0 moles of KClO2 is decomposed?

3.011 *1024 molecules KCl 

500

If you have 13.4 grams of Al2(SO2)how many moles do you have? 

0.054 moles 

500

If you have 3.21*1022 molecules of NO2 how many grams is this? 

2.45 grams NO2

500

Mg + 2HCl --> MgCl2 + H2

How many moles of H2 is produced when 75 grams of HCl is reacted?

1.02 moles H2