amount of substance Flashcards
1
Q
salt
A
ionic compound that that is hydrated is with water
anhydrous is without water
2
Q
water
A
water is polar
attracted to ions in salt
02 attracted to positive ions
h is attracted to negative ions
3
Q
water of crystallisation
A
water molecules existing within crystal structures
4
Q
no of particles
A
Avogadro × no of moles
5
Q
no of moles
A
conc (moldm-3) × vol dm3
6
Q
ideal gas equation
A
pv=nrt
pascales
7
Q
percentage yield
A
actual yield / theoretical yield
8
Q
Percentage atom economy
A
molecular mass of derided product / sum o molecular masses of all products
9
Q
atom economy advantages
A
high atom economy produces less wastes better for environment
raw materials used more efficiently
less by products
