A pH of 10 is how many times more acidic than a pH of 12? and can you please help explain and show example maybe by a chart or something?

I've found SEVERAL charts but none of them really explain the whole "how much more acidic" thing.

pH is a reverse logarithmic scale.

In other words, something with a pH that is 1 number less than another is 10 TIMES more acidic.

Something with a pH 2 less is 100 times more acidic.

Something with a pH 3 less is 1000 times more acidic.

4 less.10000
5 less...100000
&c.
100 times as many hydronium ions are in a solution of pH 10, than pH 12.

p in front of the H stands for "log of". It's the log of the Hydrogen or Hydronium ion concentration (using Log10 scale).
pH is a log10 scale, so pH 10 is 10^2 times more acidic than pH 12.
pH = log1/[H+]

so pH 10 means that the [H+]= 10^(-10)

and pH 12 means that the [H+]= 10^(-12)

The concentration oh H+ ion is 10^2 =100 times more important in pH10 compared to pH 12
Go to this link for a tutorial on pH :
http://score.dnr.sc.gov/ktmlpro10/files/...

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