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Moley Moles
"Stoiched" about Chemistry
High Speed Conversions
100
6.02 x 10^23
What is Avogadro's number?
100
The mathematical relationships in chemical reactions
What is stoichiometry?
100
This is the volume 0.622 mol of a gas occupies at STP.
What is 13.9 L?
200
6.02 x 10^23 representative particles
What is a mole?
200
This is the number of grams of nitrogen that are present in 2 moles of HNO3.
What is 28 grams?
200
A sample has 25.7 g of calcium oxide. This is the number of moles of calcium oxide contained in the sample?
What is 0.458 mol?
300
The atomic mass of an element converted into grams
What is molar mass?
300
2Na + 2H2O → 2NaOH + H2     This is the mole ratio of dihydrogen monoxide to sodium hydroxide.
What is 2 moles to 2 moles?
300
This is the number of molecules in 48.0 grams of oxygen  gas (O2).
What is 9.03 x 10^23?
400
The mass of a mole of Ca(OH)2
What is 74?
400
8Fe + S8  → 8FeS    This number of grams of iron are needed to react with 30.0 g of sulfur.
What is 52.3 grams?
400
CH4 + 2O2 → CO2 + 2H2O If 1.0 mole of methane reacts with oxygen to produce  carbon dioxide and water, what mass of water is produced?
What is 36 grams?
500
The number of liters of one mole of any gas @ STP.
What is 22.4 L?
500
What is the mass of one mole of CO2
What is 44 g?
500
0.555 moles of HCl will occupy this many liters at STP.
What is 12.4 L?