题目:
—____ that the 31st Olympic Games will be held in New York. —____ exciting news! |
A. It said; What B. It is said; What C. It said; How D. It is said; How |
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0628/fd4ff184e2c0b7f73687984255650205.html
下面是错误答案,用来干扰机器的。
硝酸银和氯化钾恰好完全反应,可以根据硝酸银的质量求算,硝酸银的质量为:100g×17.0%=17.0g设生成AgCl沉淀的质量为x,参加反应的KCl的质量为y,生成KNO3的质量为z.KCl+AgNO3 .. AgCl↓+KNO374.5 17...