Definitions and units
Molar mass
Moles to moles
Mass to mass
Mixed
100

The conversion factor that relates the amounts in moles of any two substances involved in a chemical reaction 

What is Mole ratio?
100

Find the molar mass of C2H6

30.07 g/mol

100

CO2 + 2LiOH --> Li2CO3 + H2O. How many moles of lithium hydroxide are required to react with 20 moles of CO2?

What is 40 moles LiOH?

100

Mg + 2HCL --> MgCl+ H2. What mass of hydrogen is produced from the reaction of 75 g HCl (MM=36.5 g/mol)?

What is 2.0 g of H2?

100

Mg + 2HCl --> MgCl2 + H2. How many grams of Hydrogen will be produced if we start with 2 moles of HCl.

What is 2 g H2?

200

The number describing the number of particles in a mole of a substance

What is Avogadros number (6.02 x 1023)

200

Find the molar mass of Fe(OH)3

106.87 g/mol

200

6CO2 + 6H2O --> C6H12O6 + 6O2. How many moles of carbon dioxide are needed to react with 3.25 mole of water in the reaction described above?

What is 3.25 moles of CO2?

200

2 KClO3 --> 2KCl + 3 O2. How many grams of KCl are produced if 5.0 g of KClO3 is decomposed. 

What is 3.0 grams of KCl.

200

Mg + 2HCl --> MgCl2 + H2. What mass of HCL (Mm 36.5 g/mol) is needed to react with 2.50 moles of magnesium? 

What is 182 g HCl?

300

The number of liters in 1 mole of gas at standard temperature and pressure

22.4 L

300

Find the molar mass of NaNO3

84.99 g/mol

300

2Mg + O2 --> 2 MgO How many moles of Magnesium oxide are produced from 1.2 Moles of Magnesium?

What is 1.2 Moles MgO?

300

Sodium and Chlorine react to produce Sodium Chloride (table; MM= 58.5 g/mol). Determine the amount of product that can be produced from 24.7 g of Sodium. 

What is 62 g NaCl?

300

____Al + ___O2 --> ___AlO3

How many moles of aluminum atoms are needed to combine with 1.58 mole of oxygen molecules to make aluminum oxide

What is 2.1 Mol Al?

400

Mr. Davoren's Birthday

May 9th

400
Find the molar mass of Uranium Dioxide (UO2).

270.03 g/mol

400

Ammonia, NH3, is widely used as a fertilizer and in many household cleaners. How many moles of Ammonia are produced when 6 mole of Hydrogen gas (H2) react with an excess of Nitrogen gas (N2)?

What is 4 moles of NH3.

400

Sodium Hydroxide reacts with Sulfuric Acid (H2SO4 MM=98.1 g/mol) to form water and Sodium Sulfate (Na2SO4). How many grams of Sodium Sulfate (MM=124 g/mol) will be formed from 200 g NaOH (MM=40g/mol).

What is 355 g Na2SO4.

500

The Oxidation number of P in Na3PO4

+5
500

Find the molar mass of Mg3(PO4)2

262.86 g/mol

500

Hydrogen and oxygen gases react under a specific set of conditions to produce water. How many moles of Oxygen would be required to produce 5.0 moles of water?

What is 2.5 Moles O2?

500

When CuClreacts with NaNOto form CuNOand NaCl. If 15 grams of CuCl2 (MM=134.5 g/mol) react, how much sodium chloride (58.5 g/mol) can be formed

13.0 g NaCl.