Calculate the pH easy 10 points
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Calculate the pH easy 10 points

[From: ] [author: ] [Date: 12-12-04] [Hit: ]
-log(6.40×10^-2 M) = 1.The last one is a little bit more tricky bc if we do the same -log we will get the POH instead of PH.But finding the PH is as simple as substracting the POH from 14.-log(5.84×10^-5 M) = 4.......
8.45×10^-5 M K2O

6.40×10^-2 M HBr

5.84×10^-5 M Sr(OH)2

-
-log(8.45×10^-5 M) = 4.07

-log(6.40×10^-2 M) = 1.19

The last one is a little bit more tricky bc if we do the same -log we will get the POH instead of PH.
But finding the PH is as simple as substracting the POH from 14.
-log(5.84×10^-5 M) = 4.23
14-4.23 =9.77
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