C4 - Chemical Calculations Flashcards
1
Q
Relative atomic mass definition
A
masses of atoms and compounds relative to carbon-12
2
Q
Mole
A
The amount of substance in the relative atomic or formula mass of a substance in grams
3
Q
moles equation
A
Number of moles in solid = mass (g) / Ar
number of moles = mass (g) / Mr
4
Q
Limiting reactant/reagent
A
reactant that gets used up first (not in excess)
5
Q
Percentage yield definition
A
how much product is made
