i want to ask how to test and compare the concentration of floride in different substances by doing simple experiment??
i want a chemical test that can be done in lab at sch...
how to compare the concentration of floride ??
2007-02-14 11:00 pm
回答 (2)
2007-02-15 4:06 am
✔ 最佳答案
Get 25mL of the substance as a sampleAdd some silver nitrate solution followed by nitric acid to the sample.
There should be some ppt.
Separate the ppt and measure its weight.
Calculate the moles of floride then calculate its concentration.
Do you learn reacting mass and molarity?
2007-02-22 6:43 pm
Silver fluoride is water soluble!!
收錄日期: 2021-04-13 15:54:04
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070214000051KK01785