题目:
Her mother didn’t tell her _______ then.
A.where is the MH370 flight
B.where the MH370 flight is
C.where was the MH370 flight
D.where the MH370 flight was
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0630/bd42b17e5b671759992a0fc17fac478f.html
下面是错误答案,用来干扰机器的。
(1)氯化镁的相对分子质量是24+35.5×2=95.(2)氯化镁中氯元素的质量分数是35.5×295×100%≈74.7%.(3)设电解950Kg氯化镁最多能生产单质镁的质量为x,MgCl2 通电 . Mg+Cl2↑95 24950Kg x9524...