問題詳情

23. Under the same conditions, Na, Mg, and Al of equal molar amounts arerespectively added to three test tubes X, Y, and Z containing the sameconcentration and volume of dilute hydrochloric acid to fully react at roomtemperature. Which of the following three test tubes X, Y and Z must be incorrectin relation to the volume of gas produced?
(A) X(Na) > Y(Mg)> Z(Al)
(B) X(Na) > Y(Mg) = Z(Al)
(C) X(Na) <Y(Mg)<Z(Al)
(D) X(Na) =Y(Mg)=Z(Al)
(E) X(Na) <Y(Mg) = Z(Al)

參考答案

答案:A
難度:計算中-1
書單:沒有書單,新增