Determine the mass in grams of 3.57 mol al

Determining the mass of a compound or any substance from its number of moles, you would need data on its molar mass since it allows the conversion from moles to grams and grams to moles. For aluminum, it has an atomic mass of 26.98 g/mol.

3.57 mol Al (26.98 g / mol) = 96.32 g Al