Chem 10 Info Provided for Final Exam SOLUBILITY RULES FOR IONIC COMPOUNDS 1 Compounds containing Group IA metals ammonium acetates and nitrates are all soluble 2 Most halides Group 7A chlorides etc are soluble Exceptions include Ag 1 Pb 2 and Hg2 2 halides 3 Most sulfates are soluble Exceptions include Ba 2 Sr 2 Ag 1 Pb 2 and Ca 2 sulfates 4 Most hydroxides insoluble Exceptions include hydroxides of Group 1A metals ammonium Ca 2 Sr 2 and Ba 2 5 Most phosphates carbonates chromates and sulfides are insoluble Exceptions include those compounds containing Group 1A metals and ammonium ACTIVITY SERIES FOR METALS and HYDROGEN highest activity Li K Ca Na Mg Al Zn Cr Fe Cd Ni Sn Pb Cr 3 Fe 2 Ni 2 Sn 2 Pb 2 H 6 All acids are soluble lowest activity Cu Cu 2 Ag Hg Hg 2 Au Au 3 EQUATIONS PV nRT K o C 273 o P1V1 P2V2 T1 T2 F 1 8 o C 32 d m V M q mc T n V M 1V1 M 2V2 c pH log H 3O E h H O 10 pH 3 CONSTANTS c 2 998 x 108 m s h 6 626 x 10 34 J s Avogadro s Number 6 022 x 1023 R 0 08206 L atm K mol Molar Volume at STP 22 4 L Kw 1 x 10 14 CONVERSIONS 1 ft 12 inches 1 inch 2 54 cm 1 m 3 281 ft 1 gallon 3 7854 L 1 mL 1 cm3 1 atm 760 torr or mm Hg 1 kg 2 205 lbs 1 lb 16 oz 1 cal 4 184 J
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