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April 20, 2015

April 20, 2015

Posted by **Zen** on Saturday, June 19, 2010 at 11:27am.

pH = -log(H^+)

find the pH

1.6 x 10^(-5)

- Chem -
**DrBob222**, Saturday, June 19, 2010 at 12:41pmYou need to learn how to do this.

Punch 1.6 x 10^-5 into your calculator.

Hit the log button. You should get -4.79588 so the equation now looks like this.

pH = -log(H^+)

pH = -log(1.6 x 10^-5)

pH = -(-4.79588)

pH = 4.79588 which rounds to

pH = 4.80

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