試題詳解

73. When a 1.00 mL of the M solution of organic acid is diluted with 9.00 mL of ether, forming solution A and then 2.00 mL of the solution A is diluted with 8.00 mL of ether, forming solution B. What is the concentration of solution B?
(A)
(B)
(C)
(D)
(E)