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Chapter+7+and+8+Instructor+Overheads - Strong Acids and...

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1. Common Strong Acids – Know formulas and names. a. H 2SO4 - Sulfuric Acid H2SO4 + H2O HSO4- + H3O+ (Ka very large) HSO4- + H2O SO42- + H3O+ (Ka = 1.03 x 10-2) c. HClO4 - Perchloric Acid d. HNO3 - Nitric Acid e. HCl - Hydrochloric Acid f. HI - Hydroiodic Acid g. HBr - Hdyrobromic Acid 3. Common Strong Bases – Know formulas and names. a. LiOH, NaOH, KOH, RbOH, CsOH KOH K+ + OH- (Kb very large) c. Ca(OH)2, Mg(OH)2, Ba(OH)2, Sr(OH)2, Ca(OH)2 → Ca2+ + 2 OH- (Kb very large) Strong Acids and Bases
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Strong Acids and Bases: General Chem. Review [H3O+] pH pOH [OH-] 1.0 x 10-5 M HCl 1.0 x 10-5 M 5.00 9.00 1.0 x 10-9 M 1.0 x 10-4 M NaOH 1.0 x 10-10 M 10.00 4.00 1.0 x 10-4 M *Very accurate ionization constants (Kw) for water at various temperatures can be found in the CRC Handbook of Chemistry and Physics . [H + ][OH - ] = K w (K w = 1.0 x 10 -14 at 298 K) pH + pOH = 14.00 pH = - Log[H + ] or [H + ] = 10 -pH pOH = - Log[OH - ] or [OH - ] = 10 -pOH
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Consider a 1.0 x 10-8 M solution of HCl. Consider a 1.0 x 10-8 M solution of NaOH.
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This note was uploaded on 12/06/2011 for the course CHEM 241 taught by Professor Tiani during the Fall '08 term at UNC.

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Chapter+7+and+8+Instructor+Overheads - Strong Acids and...

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