Amount Of Substance Flashcards
1
Q
Molecular formula definition
A
Actual Number and type of atoms of each element in a compound
2
Q
Mole definition
A
Amount of substance that has the same number of particles as avagadros constant
3
Q
Empirical formula definition
A
The simplest whole number ratio of atoms of each element in a compound.
4
Q
anhydrous vs hydrated
A
hydrated contains water of crystallisation
5
Q
water of crystallisation
A
water that is chemically bonded in a crystal structure
6
Q
orbital
A
a region that can hold 2 electrons with oppsoite spins
7
Q
high percentage yield shows what
A
shows a high percentage conversion of reactants into products
8
Q
weighted mean mass
A
takes into account the relative abundancies of isotopes
9
Q
how to work out number of ions
A
find moles times number of atoms present times avagadros constant
