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Chp1_polyions - CrO 4 2– chromate Cr 2 O 7 2–...

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What One Needs-to-Know (MEMORIZE) in CH 201 The Gas Constant: 0.0821 L atm /mol K = 8.314 J/mol K Avogadro’s number: 6.022e23 part/mol or amu/g T(K) = T(ºC) + 273.2 760 torr = 1 atm = 1.013E5 Pa K w (25ºC) = 1.0E-14 1.0L = 1dm^3 The names, symbols, and common oxidation states of the elements 1-36; the halogens & noble gases; and: Ru, Pd, Cd, Ag, Sn, Ba, Os, Pt, Au, Hg, Tl, Pb, U. Standard metric prefixes from fempto (10^-15) to tera (10^12). Common Polyatomic Ions NH 4 1+ ammonium H 3 O 1+ hydronium C 2 H 3 O 2 1– acetate aka: CH 3 COO 1– CO 3 2– carbonate ClO 4 1– perchlorate ClO 3 1– chlorate ClO 2 1– chlorite ClO 1– hypochlorite
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Unformatted text preview: CrO 4 2– chromate Cr 2 O 7 2– dichromate CN 1– cyanide OH 1– hydroxide NO 3 1– nitrate NO 2 1– nitrite MnO 4 1– permanganate O 2 2– peroxide PO 4 3– phosphate SO 4 2– sulfate SO 3 2– sulfite HCO 3 1– bicarbonate HSO 4 1– bisulfate HSO 3 1– bisulfite C 2 O 4 2– oxylate Acids HClO 4 Perchloric HCl Hydrochloric H 2 SO 4 Sulfuric HNO 3 Nitric H 2 SO 3 Sulfurous H 3 PO 4 Phosphoric HF Hydrofluoric HNO 2 Nitrous HC 2 H 3 O 2 Acetic H 2 CO 3 Carbonic H 2 S Hydrogen sulfide HCN Hydrogen cyanide or hydrocyanic acid...
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