Show:
Vocabulary
Finding Molar Mass
Moles to Grams
Moles to Moles
Past Review Questions
100
6.02 x 10E23
What is Avogardo's number?
100
79.90 grams per mol
What is the molar mass of Br?
100
347.36 grams of LiBr
If you have 4 moles of LiBr, how many grams is that?
100
3 moles of Nitrogen
If you have 3 moles of AlN, how many moles of nitrogen do you have?
100
John Dalton
Who revived the idea of the atom in the early 1800s based on several chemical reactions?
200
Mole ratio
What is a ratio between any two numbers of moles of any two substances in a balanced equation?
200
41.9 grams per mol
What is the molar mass of NaF?
200
100.8 grams of MgO
If you have 2.5 moles of MgO, how many grams do you have?
200
3.45 moles of MgO
If you have 3.45 moles of MgO, how many moles of Mg do you have?
200
Distillation
What separation technique relies on the different boiling points of the parts of the mixture?
300
Limiting reactant
What limits the extent of the reaction and, thereby, determines the amount of product formed?
300
6 grams of oxygen
If you have 96 grams of oxygen, how many moles do you have?
300
212.6 grams AlS
If a compound consists of 3.6 moles of AlS, how many grams is that?
300
6 moles of oxygen
If you have 2 moles of NaNO3, how many moles of O do you have?
300
Ground state
What is the lowest allowable energy state of an atom?
400
Actual yield
The _______ is the amount of product actually produced when the chemical reaction is carried out in an experiment.
400
2 grams of chlorine
If you have 71 grams of chlorine, how many moles do you have?
400
125.1 grams of BeO
How many grams are in 5 moles of BeO?
400
7.4 moles of S
Question: If you have 7.4 moles of SO4, how many moles of S do you have?
400
The solvent
What is water in an aqueous solution?
500
Theoretical yield
The __________ is the maximum amount of product that can be produced from a given amount of reactant.
500
3 grams LiBr
If you have 261 grams of LiBr, how many moles do you have?
500
157.8 grams NaCl
If you have 2.7 moles of NaCl, how many grams do you have?
500
16.9 moles of carbon
If you have 7.4 moles of SO4, how many moles of S do you have?
500
The law of definite proportions
What law states that a compound is always composed of the same elements in the same proportion by mass?