Respuesta :

Answer:

148g/mol

Explanation:

The molar mass of a compound is the sum of the molar masses of all the individual elements present in the compound.

Molar Mass of Mg(NO3)2 = 24 + 2[14 + (16x3)] = 24 + 2[14 + 48] = 24 + 2[62] = 24 + 124 = 148g/mol