問題詳情

13. A 0.012-mol sample of Na:SO, is added to 400 mL of each of two solutions. One solutioncontains 1.5 x 103 M BaCh； the other contains

for CaSO, = 6.1 x 10S. Which of the following statements is true?
(A) both BaSO4, and CaSO4 would precipitate
(B) not enough information is given to determinewhether precipitation would occur
(C) CaSO4 , would precipitate, but BaSO4, would not
(D) BaSO4,would precipitate but  CaSO4  would not
(E) neither BaSO4, nor  CaSO4 , would precipitate.

參考答案