STOICHIOMETRY

STEPS

100

What is the first step you take when doing stoichiometry?

What is write the balanced equation.

200

What is the second step you take in stoichiometry?

What is label your "find" and "given"

300

What is the third step you take in stoichiometry?

What is line up convert using proper conversion factors

400

What is the last step in stoichiometry?

What is calculate and check the units.

500

Three things you could use to help you with the stoichiometry process

What is periodic table, polyatomic ion sheet, and mole chart?

CONVERSIONS

100

What are you trying to find when you convert moles to moles?

What is Mole Ratio.

200

What are you trying to find when you convert moles to grams?

What is Molar Mass.

300

What are you trying to find when you convert moles to liters solution?

What is Molarity.

400

How is an acid defined?

What is the concentration of H+ ions in a solution

500

Fe+O2--->Fe2O3 Find the mole ratio of Iron to Oxygen

What is 4:3

DEFINITIONS

100

Mass relationships between substances in a chemical reaction.

What is Stoichiometry.

200

Indicated by coefficients in a balanced equation.

What is Mole Ratio.

300

Actual amount of a product that can be formed with the limiting reactant in a laboratory

What is Actual Yield

400

Maximum amount of a product that can be given off.

What is Theoretical Yield.

500

Reactant that is not used up when a reaction is run to completion

What is Excess Reactant

MOLE ISLAND

100

when is 22.4 used?

What is liters at stp

200

6.022x10^23

What is avogadros number?

300

process of converting moles to grams

What is multiply by molar mass?

400

converting particles to grams

What is divide by 6.022x10^23 then multilply by molar mass?

500

Calculate molarity and define molarity 

What is moles divided by liters? What is concentration of a solution?

PROBLEMS

100

Fe3O4 + 4 CO--->3 Fe + 4 CO2 How many moles of CO are needed to react with 16.5 g of Fe3O4

What is .285 moles CO

200

How many moles of Fe2O3 will form from 5.0 moles of Fe? Fe + O2 -> Fe2O3 (Balance First)

What is 2.5 moles Fe2O3

300

Calcium Fluoride and Potassium Phosphate react into Calcium Phosphate and Potassium Fluoride. I had 2.2 moles of Calcium Fluoride, how many moles of Potassium Fluoride was obtained

What is 4.4 moles KF?

400

How many grams of NaCl will be produced from 1.25 mol of chlorine gas reacting with sodium? Cl2 + Na -> NaCl

What is 146 g NaCl

500

Ammonium nitrate decomposes into dinitrogen monoxide gas and water. Determine the amount of water produced if 25.0 g of ammonium nitrate decomposes.

What is 11.3grams H2O