SOMEONE, PLEASE HELP ME ON THIS ONE!
MORE IMPORTANT THAN THE OTHER QUESTION

FORMULA: % Hydration =molar mass of water(g) / molar mass of compound
*100

in green vitriol  

Explanation:

Atomic mass of Fe = 56 g/mol

Atomic mass of S = 32 g/mol

Atomic mass of O = 4 g/mol

Atomic mass of H = 1 g/mol

Molar Mass of  

Molar Mass of

% hydration  

because of all the things that happen around the us, many people get into arguments which sadly could get physical, but we should actually make a change for that.