化学摩尔质量计算公式都有哪些
人气:409 ℃ 时间:2020-01-19 20:49:19
解答
c=n/v n=m/M
阿伏加德罗常数的近似值一般取6.02×1023,单位是mol-1,用符号NA表示.微粒个数(N)与物质的量(n)换算关系为:n=N/NA
推荐
猜你喜欢
- a(2,3),b(2,-5),c(-1,0)在平面内找点d,是abcd为平行四边形
- 同位素之一的原子核中只有质子没有中子的元素
- make a decision on doing和make a decision to do都对吗?
- My radio does not work ,i do not know ______ the trouble is.
- Aunt Tong is clever and h(),so she always did an e()job when she was at school.
- 用介词填空.Meimei is very friendly to us .I’m sure she can get on well ( ) everyone This is a se
- 把两个字合起来组成另一个字,写在括号里:竹 木 元 我 前 囗 弟 鸟 ( ) ( ) ( ) ( )
- 一个质量为1kg的物体,从离地面10m高处自由下落,则该物体落地时的动能是________J