Question

WHAT DOES THE DOT AND 'X' REPRESENT ?
WHO ASNWERS THEY ARE MARKED AS BRAINLIEST AND + 1 THANKS​

Answer 1

The dot represents the fact that there is water with the compound, but is not actually a part of the compound. It is the water of crystallization. It gives colour and structure to the compound. X is any whole number. It can vary and is not constant everywhere. It can be 2,3,4...etc.

Answer 2

Answer :

2H2O

4Fe + 3O2 —————— 2Fe2O3 + 2H2O

Here x = 2 and dot (.) represent (+) symbol