What is the chemical equation for diphosphorus trioxide + water ---> phosphorous acid?
Diphosphorus trioxide + water produces phosphorous acid.
Diphosphorous trioxide is a molecular (covalent) compound. Using the prefixes the molecular formula is
Phosphorous acid is
To balance this equation we begin be adding a coefficient of 2 in front of the phosphorous acid.
We balance the hydrogen by adding a coefficient of 3 in front of the water.
I hope this was helpful.