Answer:
392g
Step-by-step explanation:
The given compound is;
Cr₂(SO₄)₃
To find the molar mass, we sum the atomic masses of the elements in the compounds together.
Atomic mass of Cr = 52
S = 32
O = 16
So;
Molar mass = 2(52) + 3[32 + 4(16)] = 392g/mol