問題詳情

22. What is the sum of all coefficients when the following equation is balanced?
NH3(g) + O2(g) → NO2(g) + H2O(g)
(A) 6
(B) 14
(C) 17
(D) 21
(E) 23

參考答案

答案：D
難度：計算中-1
書單：沒有書單，新增