Question about Texas Instruments TI-30X-IISTK Scientific Calculator
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Posted on Jan 02, 2017
SOURCE: chemistry problem
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
If I understand you correctly, the inverse of the log operation is exponentiation. So if your log = x, the inverse is 10 raised to the x power. On most TI calculators this is on the same key as the log function.
Posted on Jun 13, 2008
SOURCE: antilog in chemistry problem
pH is minus (log to base 10) of the hydrogen ion activity of an aqueous solution, or (log to base 10) of (1/hydrogen ion activity)
To get the inverse log, i.e the hydrogen ion activity corresponding to a specified pH, simply enter the pH value and press
Posted on Jan 01, 2009
I'm not specifically familiar with the TI83 or TI84 but I've used a lot of TI calculators in my time, so I'll give it a try. If your trying to find the antilog of a number in base 10 enter the number and hit the (10 to the X) button. If you're trying to find the antilog of a number in in base e (natural log), enter the number and hit the (e to the X) button.
Posted on May 29, 2009
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