The atomic mass of Iron (Fe) is 55.85 amu, and the atomic mass of chlorine (Cl) is 35.45 amu. Which molar mass is correct for iron III chloride (FeCl3 )?(1 point) Responses 91.30 g/mol 91.30 g/mol 162.20 g/mol 162.20 g/mol 126.75 g/mol 126.75 g/mol 129.59 g/mol
The molar mass of iron III chloride (FeCl3) can be calculated by adding the atomic masses of each element in the compound.
FeCl3 = Fe + 3(Cl)
FeCl3 = 55.85 + (3 * 35.45)
FeCl3 = 55.85 + 106.35
FeCl3 = 162.20 g/mol
Therefore, the correct molar mass for iron III chloride (FeCl3) is 162.20 g/mol.