Answer:
Percent yield of alum is 38.6%
Explanation:
Find attached calculations for detailed explanation.
Mass of Iron (Fe): 55.845Mass of Bromine (Br): 79.904
You need to multiply the mass of Br by 3 because there are 3 Bromine atoms.
(79.904)(3)+ 55.845= 239.712+55.845 = 295.557 g/mol
Salutations!
Determine the length of the object shown below.
The length of the scale is 5.6 cm.
Hope I helped.