Formula is a equation that follows a rule.
Magnesium carbonate is formula Mg(CO3).
Magnesium hydroxide is formula Mg(OH)2.
R-O-R is general formula of Ethers.
Sodium bicarbonate is formula NaHCO3.
What is formula of Ethers?
What is Formula of Magnesium Carbonate?
What is Formula of Magnesium Hydroxide?
What is Formula of Sodium Bicarbonate?
What is Formula?