Essential AP Chem A and B Knowledge
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Last updated 7:17 PM on 4/6/26
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8 Terms
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Kw at 25 degrees Celcius is
1.0 × 10^-14
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pH = pOH ONLY WHEN
in PURE WATER
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pKw = 14 at 25 C, so…
pH = pOH = 7
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Kw is
TEMPURATURE DEPENDENT meaning pH of pure water will change from 7.0 other than 25C
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Molecules of a strong acid (HCl, HBr, HI, HCLO4, H2SO4, and HNO3) will..
completely ionize, so H+ concentraton = intiial concentration and vice versa for OH- ions for strong bases
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What are the strong acids?
(HCl, HBr, HI, HCLO4, H2SO4, and HNO3)
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What are tr strong bases?
LiOH, NaOH, KOH,Ca(OH)2, Sr(OH)2, and Ba(OH)2
