試題詳解

68. You mix 265.0 mL of 1.20 M lead(II) nitrate with 300.0 mL of 1.55 M potassium iodide. Which of the followings is true?
(A) Lead nitrate is the limited reagent.
(B) The final concentration of Pb²⁺ ions is 0.56 M.
(C) The final concentration of K⁺ is 0.823 M.
(D) The final concentration of NO₃ ^– is 0.823 M.
(E) The final concentration of I^– is 0.823 M.