17. Consider three 1-L flasks at STP. Flask A contains NH3 gas, flask B contains NO2 gas, and flask C contains N2 gas. Which contains the largest number of molecules?
(A) Flask A
(B) Flask B
(C) Flask C
(D) All are the same
(E) None of these choices is correct.
答案:登入後查看
統計: 尚無統計資料
統計: 尚無統計資料