20℃时,将10g下列物质投入到90g水中,充分溶解后所得溶液中溶质的质量分数最 发布时间:2017-07-29 02:16 │ 来源:www.tikuol.com 题型:选择题 问题: 20℃时,将10g下列物质投入到90g水中,充分溶解后所得溶液中溶质的质量分数最小的是( )A.熟石灰B.食盐C.硝酸钾D.氯化钾
题型:选择题 This picture was taken when my father was a child and even I myself couldn't _____. [ ]A. find him out B. pick him out C. put him out D. take him out 查看答案