問題詳情

23. To a solution containing 1 mole of HNO3 and 1 mole of H2SO4 gradually addiron powder to excess. The relationship between the amount of metal cations a andb in the solution and the amount of iron powder added is shown in the followingfigure (given that NO is the sole product upon reduction of dilute nitric acid).Which of the following statements is incorrect?



(A)a represents Fe3+
(B)n1 = 0.75
(C)at P,n(Fe2+) = 0.5625 mol
(D)n3 = 1.125
(E)If copper powder is added to the solution at P, up to 14.4 g of copper powder can be dissolved.

參考答案

答案：C
難度：計算中-1
書單：沒有書單，新增