Molecular mass of CH3 OH =

32g/mol

Explanation:

When dealing with a compound, the molar mass is the gram - formula mass or gram moleclular weight. This is determined by the addition of its component atomic masses.

For CH₃OH;

Atomic mass of C = 12g/mol , H  = 1g/mol, O  = 16g/mol

 So,

     Molecular mass  = 12 + 3(1)  + 16 + 1  = 32g/mol

it is the most commonly accepted one

a. energy is absorbed in the reaction.

if in a given reaction the energy of products is greater than the energy of reactants it means that reaction is endothermic and during the reaction, the energy is absorbed by reactants. in an endothermic reaction, the products have more stored chemical energy than the reactants. and in this reaction the reactants are more stable than products before the compounds with less energy are always more stable.