Answer:
% yield = 55.82%
Step-by-step explanation:
Theoretical yield = 33.14g
Actual yield = 18.5g
Percentage yield = (actual yield / theoretical yield) * 100
%yield = (18.5 / 33.14) * 100
% yield = 0.5582 * 100
% yield = 55.82%
The percentage yield of Fe₂So₄ is 55.82%