Valency factor of Al2(SO4)3 will be

The valency factor of Al2(SO4)3 can be determined by looking at the valency of the individual ions in the compound.

1. Aluminium (Al) has a valency of +3.
2. The sulfate ion (SO4) has a valency of -2.

In Al2(SO4)3, there are 2 aluminium ions and 3 sulfate ions.

So, the total positive charge from the aluminium ions is 23 = +6. And the total negative charge from the sulfate ions is 3(-2) = -6.

The valency factor of a compound is the absolute sum of the charges of the cation and anion. In this case, it is |+6| + |-6| = 6 + 6 = 12.

So, the valency factor of Al2(SO4)3 is 12.