問題詳情

8. The reaction below occurs in basic solution. In the balanced equation, what is the sum of the coefficients?Zn + NO3– → Zn(OH)42– + NH3
(A)12
(B)15
(C)19
(D)23

參考答案

答案：D
難度：非常困難0
統計：A(2),B(1),C(3),D(0),E(0)