another practice problem (not from midterm/ test 1 or 2)

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Jade Hinds 2B
Posts: 75
Joined: Tue Sep 10, 2019 12:16 am

another practice problem (not from midterm/ test 1 or 2)

Postby Jade Hinds 2B » Sat Dec 07, 2019 1:09 pm

A drink contains 1.2 * 10^-10M of hydroxide ions, what is the pH of this drink?
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Myka G 1l
Posts: 100
Joined: Fri Aug 30, 2019 12:17 am

Re: another practice problem (not from midterm/ test 1 or 2)

Postby Myka G 1l » Sat Dec 07, 2019 1:15 pm

First you find the pOH by taking the -log of the OH concentration.
pOH= -log(1.2 x 10^-10)=9.92

Then you subtract the pOH from 14 to get the pH
pH= 14-9.92=4.08
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