When chemical analysis is carried out, it turns out that the concentrations of many solutions are far below 1M, for example:
10-3M 3.10-9M etc.
To apply in an easy way such small concentrations, in chemistry we use the so called p values.
Mathematically this means: -log;
sign and number 10 is simply left out:
p..... = 3 means: [.....] = 10-3 mol/liter
It also happens that the substance itself is abbreviated; charges are left out, sometimes even more:
- pH = 5 means: [H3O+] = 10-5 mol/l
- pOH = 7 means: [OH-] = 10-7 mol/liter
Now try (if possible) to execute action task A, to be found at the end of this module.