Stoichiometry Test Flashcards
All stoichiometric calculations involving equations use _______ ratios.
mole
When solving stoichiometric problems, you must _______ the equation first.
balance
_____ in chemical equations provide mole ratios that can be used as conversion factors
Coefficients
What is molar mass?
the mass of one mole of a substance
A limiting reactant determines:
the amount of product formed
Actual yields must be determined by:
experiments
Theoretical yield must always be calculated from:
limiting reactant
Define stoichiometry.
Relationship between the quantities of substances/chemicals
When does a double replacement reaction take place?
when one of the products forms a precipitate
The conversion factor for converting between mass and moles is the ______ of the substance.
molar mass
In making calculations involving _______, you must convert volume to mass.
liquids
To convert from volume to mass, you can use the _____ of the substance as the conversion factor.
density
When calculating the number of particles, you can use ________ as the conversion factor.
avogadro’s number
A __________ reactant is not completely used up in a chemical reaction.
excess
A ________ reactant is used up first and thus controls the quantity of ________ that can be formed in a chemical reaction.
limiting, product
