# chemistry

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Im really confused....Im being asked to find the highest pH of HI, KOH and HNO3 all with a concentration of 0.10M. I understand HOW to find it: ph=-log[concentration of H]....but wouldn't that technically mean the pH of HI and HNO3 are the same?!

• chemistry -

Absolutely yes. HI is a strong acid, ionizing 100%, the same for HNO3, and KOH is a strong base and it ionizes 100%. Furthermore, the pOH of KOH will be the same as the pH of HNO3/HI.

• chemistry -

so then how do I know which one has the highest ph?

• chemistry -

oh wait, duh, nevermind. XD i got it

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