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Flashcards in Equations Deck (15):
1

1 mole = __________ particles

6.02 x 10^23

2

# of moles =

Mass/relative atomic mass

3

Concentration=

Mass/volume

4

@ the anode

Anions are oxidised here

5

@ the cathode

Cations are reduced here

6

Percentage yield =

Mass of actual yield / theoretical yield x100

7

Rf value =

Distance moved by substance/distance moved by solute

8

Solubility rules

Solubility rules

9

Common salts: sodium potassium and ammonium

Soluble

10

All nitrates

Soluble

11

Common chlorides

Soluble (except lead and silver)

12

Sulphates

Soluble (except calcium barium and lead)

13

Common carbonates and hydroxides

Insoluble (except sodium potassium and ammonium)

14

Oxidation is

Loss of electrons but gain of oxygen

15

Reduction is

Gain of electrons but loss of oxygen