the pH scale is defined by the following formula:
pH= -log[H+]
where [H+] is the concentration of hydrogen ions in units of mol/dm3.
What is the concentration of hydrogen ions in a shampoo that has pH of 5.5?
點計?maths 混合chem
2008-07-14 5:21 am
回答 (1)
2008-07-14 5:47 am
✔ 最佳答案
pH = -log[H+]
Hence, [H+] = 10-pH
When pH = 5.5, [H+] = 10-5.5
When pH = 5.5, [H+] = 3.16 x 10-6 mol dm-3
=
收錄日期: 2021-04-23 23:05:12
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