What are the coefficients for the following reaction when it is properly balanced?
___potassium iodide + ___lead (II) acetate ? ___lead (II) iodide +___potassium acetate
A) 2, 1, 1, 1
B) 2, 1, 1, 2
C) 3, 2, 2, 1
D) 1, 1, 2, 2
E) none of the above
Answer: B