amount of substance Flashcards
1
Q
define RAM
A
the weighted average mass of an atom of an element, taking into account its naturally observing isotopes, relative to 1/12th the relative atomic mass of an atom of Carbon-12
2
Q
define relative Molecular mass (Mr)
A
mass of that molecule compared to 1/12th the ram of an atom of carbon 12
3
Q
define a mole
A
the number of atoms in 12g of carbon 12
4
Q
what is molar mass
A
mass in grams of 1 mol (basically Mr)
5
Q
mass =
A
Mr x mole
6
Q
atom economy
A
measure of the proportion of reactant atoms that become part of the desired product in the balanced chemical equations
7
Q
moles =
A
conc x vol
