如何计算稀释溶液的浓度?某溶液的浓度为1000μg/ml(1)取5ml的溶液加水稀释到25ml(2)再由(1)取20ml稀释到25ml (3)再由(2 )取20ml稀释到25ml(4)再由(3 )取12.5ml稀释到25ml(5) 再由(4)取2ml稀释到10ml(6) 由(5)取5m
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/14 06:10:35
![如何计算稀释溶液的浓度?某溶液的浓度为1000μg/ml(1)取5ml的溶液加水稀释到25ml(2)再由(1)取20ml稀释到25ml (3)再由(2 )取20ml稀释到25ml(4)再由(3 )取12.5ml稀释到25ml(5) 再由(4)取2ml稀释到10ml(6) 由(5)取5m](/uploads/image/z/4352854-22-4.jpg?t=%E5%A6%82%E4%BD%95%E8%AE%A1%E7%AE%97%E7%A8%80%E9%87%8A%E6%BA%B6%E6%B6%B2%E7%9A%84%E6%B5%93%E5%BA%A6%3F%E6%9F%90%E6%BA%B6%E6%B6%B2%E7%9A%84%E6%B5%93%E5%BA%A6%E4%B8%BA1000%CE%BCg%2Fml%281%29%E5%8F%965ml%E7%9A%84%E6%BA%B6%E6%B6%B2%E5%8A%A0%E6%B0%B4%E7%A8%80%E9%87%8A%E5%88%B025ml%282%29%E5%86%8D%E7%94%B1%281%29%E5%8F%9620ml%E7%A8%80%E9%87%8A%E5%88%B025ml+%283%29%E5%86%8D%E7%94%B1%282+%29%E5%8F%9620ml%E7%A8%80%E9%87%8A%E5%88%B025ml%284%29%E5%86%8D%E7%94%B1%283+%29%E5%8F%9612.5ml%E7%A8%80%E9%87%8A%E5%88%B025ml%285%29+%E5%86%8D%E7%94%B1%284%29%E5%8F%962ml%E7%A8%80%E9%87%8A%E5%88%B010ml%286%29+%E7%94%B1%285%29%E5%8F%965m)
如何计算稀释溶液的浓度?某溶液的浓度为1000μg/ml(1)取5ml的溶液加水稀释到25ml(2)再由(1)取20ml稀释到25ml (3)再由(2 )取20ml稀释到25ml(4)再由(3 )取12.5ml稀释到25ml(5) 再由(4)取2ml稀释到10ml(6) 由(5)取5m
如何计算稀释溶液的浓度?
某溶液的浓度为1000μg/ml
(1)取5ml的溶液加水稀释到25ml
(2)再由(1)取20ml稀释到25ml
(3)再由(2 )取20ml稀释到25ml
(4)再由(3 )取12.5ml稀释到25ml
(5) 再由(4)取2ml稀释到10ml
(6) 由(5)取5ml的溶液加水稀释到25ml
(7) 由(6)取20ml稀释到25ml
(8) 由(7 )取20ml稀释到25ml
(9) 由(8 )取12.5ml稀释到25ml
我想要求它每一次稀释过后的浓度
请问要怎麼计算
可以教我吗?
可以代进去,试算给我看吗?
如何计算稀释溶液的浓度?某溶液的浓度为1000μg/ml(1)取5ml的溶液加水稀释到25ml(2)再由(1)取20ml稀释到25ml (3)再由(2 )取20ml稀释到25ml(4)再由(3 )取12.5ml稀释到25ml(5) 再由(4)取2ml稀释到10ml(6) 由(5)取5m
具体的话就是这样:
(1)取5ml的溶液加水稀释到25ml
1000μg/ml * 5ml / 25ml = 200μg/ml
(2)再由(1)取20ml稀释到25ml
200μg/ml * 20ml / 25ml = 160μg/ml
(3)再由(2 )取20ml稀释到25ml
160μg/ml * 20ml / 25ml = 128μg/ml
(4)再由(3 )取12.5ml稀释到25ml
128μg/ml * 12.5ml / 25ml = 64μg/ml
(5) 再由(4)取2ml稀释到10ml
64μg/ml * 2ml / 10ml = 12.8μg/ml
(6) 由(5)取5ml的溶液加水稀释到25ml
12.8μg/ml * 5ml / 25ml = 2.56μg/ml
(7) 由(6)取20ml稀释到25ml
2.56μg/ml * 20ml / 25ml = 2.048μg/ml
(8) 由(7 )取20ml稀释到25ml
2.048μg/ml * 20ml / 25ml = 1.6384μg/ml
(9) 由(8 )取12.5ml稀释到25ml
1.6384μg/ml * 12.5ml / 25ml = 0.8192μg/ml
C*V1/V
C:稀释前浓度,V1取出的体积,V 稀释后的总体积。
根据C1V1=C2V2计算,C1和V1分别是原溶液的浓度和体积,C2和V2分别是稀释后溶液的浓度和体积 。
如(1)1000*5=C2*25,C2=200(μg/ml )
其他都只要代进去计算就是了。