The amount of substance produced in an electrons reaction depends firstly on
Cathode
Anode
Temperature
Quantity of electricity
The molecular formula of phosphorous oxide in
P.O5
P2O6
P4O10
P3O4
The mass of the product is equal to the total mass of the reactants. This is
Law of conservation of mass
Law of constant proportion
Law of relative mass
Law of reciprocal proportion
The unit used to measure amounts of elements and compounds
Gram
Mole
Kilogram
Electron volt
The relative atomic mass of water is
2
58.5
18
The substance which is in layer quantity in a solution is called
Solute
Salt
Precipitate
Solvent
Avogadro constant is
6.02 × 1023
6.02 × 1028
7.1 × 10-31
6.02
The change on one mole of electrons is
IC
96500 coulombs
600 c
2c
The mass of on mole of carbon atom
12 g
56g
2g
100g
Hydrated Copper sulphate crystal is
CaSO4 H2O
CaSO4 4H2O
CuSO45H2O
CuSO4
