An excess of Al and 7.9 mole of Br2 are reacted according to the equation 2Al+ 3Br2 equals 2AlBr3. How many moles of AlBr3 will be formed assuming 100% is yield?

1 answer

mols Br2 = grams/molar mass
Using the coefficients in the balanced equation, convert mols Br2 to mols AlBr3.