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What is the pH of a solution with a concentration of 1.8 × 10-4 molar H3O+?
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What is the pH of a solution with a concentration of 1.8 × 10-4 molar H3O+?

User Cerebrou
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1 Answer

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pH is defined as the negative log of Hydrogen ion concentration. Mathematically we can write this as:


pH=-log[H^(+)]=-log[H_(3)O]

We are given the concentration of
H_(3)O. Using the value in formula, we get:


pH=-log[1.8*10^(-4)]=3.745

Therefore, the pH of the solution will be 3.745
User Bruce The Hoon
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