Stoichiometric Calculations: 2
All Stoichiometric calculations start with?
What is balanced chemical equation?
The mass in grams of one mole of any pure substance
What is Molar mass
Actual Yield
—--------------------- x 100
Theoretical Yield
What is the percent yield formula
If you are given the moles, what is the second step to solving a stoichiometric calculation?
What is converting known moles to mass?
Reactants left over when a reaction stops.
What is an excess reactant
Max amount of product that can be produced
What is Theoretical Yield
In the list of 5 steps, what is the last step to solving a stoichiometric calculation?
What is convert moles of unknown substance to mass?
To make a sandwich you need 2 pieces of bread, 1 piece of meat and 1 piece of cheese. What is the limiting factor
Bread-6
Meat-3
Cheese-2
What is cheese
Amount of product produced in a real life reaction
What is Actual yield
What is the balanced formula of C4H9OH +O2 ----> CO2 + H2O?
What is C4H9OH + 6O2 ----> 4CO2 + 5H2O?
What is the limiting reactant for the balanced equation?
4Al+3Cl.2-->2Al.2Cl.3
What is aluminum
What is the percent yield of SiC in Sio.2+ 3Cl---> SiC+2CO
Known: 100Kg SiO.2 51.4 Kg SiC
Unknown:Percent Yield SiC
77.1%
Known: 2 moles Fe
Unknown: grams FeCl3
Balanced chemical equation: 2Fe(s)+3Cl2(g) ----> 2FeCl3(s)
What is 324g or 324.4g of FeCl3?
Identify the first step in determining the amount of product formed in a chemical reaction if one of the reactants is limiting?
What is determining the limiting reactant
What is the Percent yield of 2Fe+3Cl.2—) 2FeCl.3
Known: 294g FeCl.3 produced
Unknown:percent yield
294gFeCl.3
—------------- X 100 = 90.7%
324gFeCl.3