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vocab
mole ratio
units
mole conversions
knowing your moles
100
The mass of one mole of a substance
What is molar mass
100
Fe2O3 + 2 Al --> 2 Fe + Al2O3, what is the mole ratio for Fe2O3/Al2O3?
What is 1 mole Fe2O3 / 1 mole Al2O3
100
Mass is measured in what units?
What is grams
100
this is the number of particles in one mole of sodium
What is 22.99
100
6.02 x 10^23 particles
What is one mole
200
Number of representative particles in a mole, 6.02 X 10^23
What is avogadro's number
200
For the reaction PCl3 + 3 H2O --> H3PO3 + 3 HCl, what is the mole ratio for H2O/HCl?
What is 3 moles H2O / 3 moles HCl
200
unit is used to measure the number of particles in a substance?
What is moles
200
number of grams in 1.25 moles of copper
What is 79.4g
200
name for the mole, after the scientist who studied it.
What is Avogadro's number
300
The percent by mass of each element in a compound
What is percent composition
300
For the reaction N2 + 3 H2 --> 2 NH3, what is the mole ratio for NH3/H2?
What is 2 moles NH3 / 3 moles H2
300
A molar mass always has the ratio of what units?
What is grams:moles
300
This is the number of moles in 2.67 x 1025 at.oms of zinc

What is 44.4 moles of Zn
300
The unit factor for a problem involving molar mass.
What is 1 mole over x grams or x grams over 1 mole.
400
the number that normally appears at the beginning of a term in a chemical equation.
What is a Coefficient
400
For the reaction O2 + 2 H2 --> 2 H2O, what is the mole ration for O2/H2?
What is 1 mole O2 / 2 moles H2
400
A mole ratio always has the ratio of what units?
What is moles:moles
400
This is the volume of 8.53 mol of carbon dioxide at STP.
What is 191 L CO
500
The study of the quantitative, or measurable, relationships that exist in chemical formulas and chemical reactions
What is stoichiometry
500
For the reaction C2H4O2 + NaHCO3 --> NaC2H3O2 + CO2 + H2O, what is the mole ratio for CO2/H2O?
What is 1 mole CO2 / 1 mole H2O
500
Which is the unit of something that can be directly measured, grams or moles?
What is grams
500
The number of grams of magnesium in 7.00 moles.
What is 168 g