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SCAN0031 - Autoprotolysis of Water 2H20 2 H30" OH Kw =...

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Unformatted text preview: Autoprotolysis of Water 2H20 2 H30" + OH- Kw = 1.01 X 10'14 = [H30“][OH'] [H30*] = Kw/[OH'I [OH-]=Kw/[H30+] Definition of pH pH = —log[H*] pOH = -log[OH-] KW= 1.01 x 10‘14 = [H30*][OH"] logKw = Iog[H+] + Iog[OH’] 40ng = -log[H+] - log[OH-] 14.00 = pH + pOH Bronsted-Lowry Acid/Base - Acids are proton donors - Bases are proton acceptors H20 + HCl 9 H30 + Cl- H20 + CHst' 2 OH' + CHa-OHA. -Which is Base and which is acid? -Why? * 1mm ...
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