Chapter 9, Problem 44QAP

Balance the following chemical equation, and then answer the question below.

:math> CuSO 4 ( a q ) + KI ( s ) → CuI ( s ) + I 2 ( s ) + K 2 SO 4 ( a q )

ich reactant is the limiting reactant? Choose the best answer.

th and Kl are equally limiting because they react in a 1:1 mole ratio.

i>   is the limiting reactant because only 2 moles are available compared with 4 moles of Kl.

i>Kl is the limiting reactant because it is present in excess.

i>Neither CuSO4 nor Kl is a limiting reactant because 6 total moles are present on the reactant side compared with 5 total moles on the product side.

i>The limiting reactant cannot be determined because the starting amounts are not given.