一百克某硫酸铜溶液恰好与五点六克铁完全反应 1：求生成铜的质量 2：反应后所得溶液的质量分数
人气：291 ℃ 时间：2020-05-17 15:14:46
解答
CuSO4+Fe=FeSO4+Cu
56 152 64
5.6g x y
56/5.6g=152/x=64/y
x=15.2g y=6.4g
1：生成铜的质量 6.4g
2：反应后所得溶液的质量分数 15.2g/(100g+5.6g-6.4g)*100%=15.3%
推荐
猜你喜欢
- This question is ____ (easy) than that one 用所给单词的适当形式填空
- “形容十分担心害怕”是什么词语?
- Please help yourself to the fish.
- It makes ( ) ( )wheter you will go today or tomorrow
- 写“春,夏,秋,冬”的比喻句各三个,好的加高悬赏
- arrive,love,jump,like,borrow,use,play,help的过去分词
- you shouldn't go out at night
- As soon as people heard of it,they took____(act)to help the poor brother.词汇应用
