Chem 1AL.InformationPage

Chem 1AL.InformationPage - CONSTANTS CONVERSIONS AND...

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CONSTANTS, CONVERSIONS AND EQUATIONS R = 0.08206 L atm mol -1 K -1 1 atm = 760 torr STP : 0 o C and 1 atm PV = nRT P 1 V 1 n 1 T 1 = P 2 V 2 n 2 T 2 SOLUBILITIES OF IONIC COMPOUNDS IN WATER Anion Soluble* Slightly Soluble* Insoluble* NO 3 (nitrate) All CH 3 COO (acetate) Most Be(CH 3 COO) 2 SO 4 2– (sulfate) Most CaSO 4 , Ag 2 SO 4 BaSO 4 , PbSO 4 F (fluoride) Group I, AgF, BeF 2 SrF 2 , BaF 2 , PbF 2 MgF 2 , CaF 2 Cl (chloride) Most PbCl 2 AgCl, Hg 2 Cl 2 I (iodide) Most AgI, PbI 2 PO 4 3– (phosphate) Group I, (NH 4 ) 3 PO 4 Most OH (hydroxide) Group I, Ba(OH) 2 Sr(OH) 2 , Ca(OH) 2 Most *Soluble : dissolves to the extent of > 10 g/L *Slightly Soluble : 0.1 to 10 g/L *Insoluble : < 0.1 g/L PERIODIC TABLE 1A 8A 1A 2A 1 H 1.008 3A 4A 5A 6A 7 A 2 He 4.003 2 3 Li 6.941 4 Be 9.012 5 B 10.81 6 C 12.01 7 N 14.01 8 O 16.00 9 F 19.00 10 Ne 20.18 3 11 Na 22.99 12 Mg 24.30 3 4 5 6 7 8 9 10 11 12 13 Al 26.98 14 Si 28.09 15 P 30.97 16 S 32.07 17 Cl 35.45 18 Ar 39.95 4 19 K 39.10 20 Ca 40.08 21 Sc 44.96 22 Ti 47.88 23 V 50.94 24 Cr 52.00 25 Mn 54.94 26 Fe 55.85 27 Co 58.93 28 Ni 58.69 29 Cu 63.55 30 Zn 65.39 31 Ga 69.72 32 Ge 72.61 33 As 74.92 34 Se 78.96 35 Br 79.90 36 Kr
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