The Mole and Formulas
Percents...
Stoich and stuff
Convert that!
Miscellaneous
100
This is the number for Avogadro's constant.
What is 6.02E23?
100
This is the percent composition of sodium in table salt.
What is 64.8%?
100
This word translates from Greek to mean "measure elements".
What is stoichiometry?
100
You must go through this unit when calculating grams to molecules.
What is moles?
100
There are this many sig figs in 0.0013070.
What is 5?
200
One mole equals 22.4 of these.
What is liters.
200
The percent by mass of each element in a compound is known as this.
What is percent composition?
200
This mass of water is produced when 1 mole of H2 is combusted.
What is 18.0 grams?
200
This is used to convert grams to moles.
What is the formula mass?
200
Ammonium has this charge.
What is +1?
300
The empirical formula of C2H6 is this.
What is CH3?
300
This is the percent composition of CaCl2.
What is 36.1% of Ca and 63.9% of Cl?
300
Reagent is also known as this.
What is reactant?
300
Convert 10.0L of KCl into molecules.
What is 2.69E23 molecules?
300
There are these many diatomic molecules.
What is 7?
400
This the SI unit used to measure an amount of a substance.
What is the mole?
400
Scientists use this to determine the efficiency of their experiment.
What is percent yield?
400
This is the limiting reagent of the following equation: CaCO3 + 2HCl --> CaCl2 + H2O + CO2 3.0 mol 7.0 mol
What is CaCO3 or calcium carbonate?
400
This is the SI unit for mass.
What is grams?
400
Name that compound: Pb(NO2)4
What is Lead (IV) nitrite?
500
You need this to determine the molecular formula.
What is the molecular weight?
500
Mrs. Tryon produced this many grams of water in the lab to get a percent yield of 80%. She knew she was supposed to make 15.0g.
What is 12.0g?
500
This man coined the term "stoichiometry".
Who is Benjamin Richter?
500
Convert 7.000kg of N2O to liters.
What is 3564L?
500
This mass of water will be produced when 8.0g of hydrogen combust with 8.0g of oxygen.
What is 9.0g?
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