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प्रश्न
What is the pH value of a solution whose hydroxyl ion concentration is 1 × 10-2 M?
टिप्पणी लिखिए
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उत्तर
[OH-1] = `1 xx 10^-2`M
`["H"^+]["OH"^-] = 10^-14`
`["H"^+] = 10^-14/(("OH"^-))`
= `10^-14/(1 xx 10^-2) = 10^-12`M
pH = -log[`"H"^+`]
= `-log(10^-12)`
= 12 log 10
= 12 × 1
pH = 12
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Ionic Equilibria - Multistage Ionization of Acids and Bases with Examples
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