Question about Texas Instruments TI-30XA Calculator
You enter a pH value and change the sign to minus, then hit 2nd LOG which is 10^x. The x value is what you're looking for. To put the answer in scientific notation, press 2nd 5 to do so.
For a pH = 4.1
-4.1 2nd LOG will return 0.0000794
Hiting 2nd 5 will express it as 7.94 -5, giving you the [H+] concentration.
Posted on May 17, 2008
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