简介： 化学答案 1 2 3 4 5 6 7 B B A C D D D 8 9 10 11 12 13 14 B B D C B C D 15.(1)11:7 11:14 (2)1.5 21 15 (3)57.6g (4)106g/mo1 16.(1)C02 (2)S、KN03 (3)Ca(0H)2+2C02=Ca(HC03)2 e (4) 3C10+2Fe*+100H=2Fe0+3C1+5H,0 (5)+6价 4N或2.408×104 (6)99 ×100% 12 偏大 17.(1)分液漏斗 (2)Mn02+4H+2C1eMn2+C2↑+2H,0 (3)饱和食盐水 (4)② d 防止倒吸 (5)①...