Molar Mass and Percent Composition
The molar mass of Hydrogen Peroxide (H2O2)
What is 34.0147 g/mol?
1 water molecule (H2O) contains this many atoms.
The smallest unit of matter that keeps the same properties.
What is an atom?
The coefficients for the following equation when balanced:
__ SO2 + __ O2 --> ___ SO3
What is 2, 1, 2
The type of the following reaction:
C6H12O6 + 6O2 --> 6CO2 + 6H2O
What is combustion?
The molar mass of Na2SO4.
What is 142.04 g/mol?
The number of atoms in the following formula: 3H2
Formed by multiple atoms of different elements bonded together.
What is a compound?
The coefficients for the following equation when balanced:
__ Na + __ O2 --> ___ Na2O
What are 4, 1, 2
The type of the following reaction:
S8 + 24 F2 --> 8 SF6
What is combination / synthesis?
The definition of molar mass.
What is the mass (measured in grams) of 1 mole of a substance.
The number of molecules in the following formula:
5 Al2(SO4)3
What is 5?
The substances present at the beginning of a chemical reaction.
What are reactants?
The coefficients for the following equation when balanced:
__ CO2 + __ H2 --> ___ CH4 + ___ H2O
What are 1, 4, 1, 2
The type of the following reaction:
3Mg + Fe2O3 --> 2Fe + 3MgO
What is single replacement?
The percent composition of Chlorine in AlCl3
What is 79.76%?
The number of atoms in 13g of water.
What is 4.35 x 1023 atoms?
A large number that scientists use to count atoms.
What is the mole?
The coefficients for the following equation when balanced:
__ KBr + __ F2 --> ___ KF + ___ Br2
What are 2, 1, 2, 1
The type of the following reaction:
3Ca(OH)2 + Al2(SO4)3 --> 3CaSO4 + 2Al(OH)3
What is double replacement?
The percent composition of Na in Baking Soda (NaHCO3)
What is 27%?
How many moles are in 25g of Iron?
What is 0.477 moles?
The smallest unit of a compound, formed by multiple atoms bonded together.
What is a molecule?
The coefficients for the following equation when balanced:
__ NH3 + __ I2 --> __ N2I6 + __ H2
What are 2, 3, 1, 3
The type of the following reaction:
2PbSO4 --> 2PbSO3 + O2
What is decomposition?