1.1 - formula, equations and amount of substances

Sulfate

SO4 2-

Sulfite

SO3 2-

Thiosulfate

S2O3 2-

Carbonate

CO3 2-

Nitrate

NO 3-

Hydrogen sulfate

HSO4 -

Hydrogen carbonate

HCO3 -

Nitrite

NO2 -

Phosphate

PO4 3-

chlorate

ClO3 -

Hypochlorite

ClO -

Hydroxide

OH -

Dichromate

Cr2O7 2-

Chromate

CrO4 2-

Permanganate

MnO4 -

Ammonium

NH4 +

Haber process

N2 + 3H2 = 2NH3 (reversible)

Define Avogadro’s number

no. of atoms in 12.000g of carbon-12

Define mole

amount of substance containing Avogadro’s constant of atoms, molecules or groups of ions

Define molar mass

mass of one mole of substance

Define limiting reactant

reactant in chemical reaction limiting amount of product that can form

Define anhydrous

salt containing no water of crystallisation

Define hydrated

salt containing water of crystallisation

Define water of crystallisation

water chemically bonded in crystal structure