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preface to fifteenth edition

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TABLE 3.2<br />

Physical Constants of Inorganic Compounds (Continued)<br />

Name Formula Formula weight Density<br />

Melting point,<br />

C<br />

Boiling point,<br />

C<br />

Solubility in<br />

100 parts solvent<br />

3.28<br />

Copper (continued)<br />

(I) sulfide Cu 2 S 159.16<br />

20<br />

5.6 4 1130 i aq; d HNO 3 ,sKCN<br />

(II) sulfide CuS 95.61 4.76 i aq; s hot HNO 3 ,KCN<br />

(I) sulfite hydrate Cu 2 SO 3 ·H 2 O 225.16 3.83 15 d sl s aq; s HCl<br />

(II) tartrate 3-water CuC 4 H 4 O 6 ·3H 2 O 265.66 0.4220 aq; s acids, alkalis<br />

(I) thiocyanate CuSCN 121.62 2.85 1084 0.00044 aq; s NH 4 OH, eth, alkali<br />

SCN<br />

(II) tungstate(VI)(2-) CuWO 4 ·2H 2 O 347.41 0.1 15 aq; d acids; s NH 4 OH<br />

Curium-244 Cm 244.063 13.51 1340 3110 s acids<br />

Cyanogen NC9CN 52.03 2.335 g/L 27.84 21.15 mL/100 mL: 450 20 aq, 230 alc;<br />

azide NC9N 3 68.04 s ace<strong>to</strong>nitrile; pure azide de<strong>to</strong>nates<br />

upon shock. Handle only in solvents.<br />

bromide NCBr 105.92 2.005 52 61.5 v s aq, alc, eth<br />

chloride NCCl 61.47 2.697 g/L 6.5 13.8 s aq, alc, eth<br />

fluoride NCF 45.02 1.975 g/L 82 46<br />

Deuterium D 2 or 2 H 2 4.03 0.169 mp lq 252.89 249.49 sl s aq<br />

oxide D 2 O 20.03 1.1056 20 3.82 101.43 misc aq<br />

Dysprosium Dy 162.50 8.540 25 1412 2567 s acids<br />

bromide DyBr 3 402.21 4.78 880 1480 s aq<br />

chloride DyCl 3 268.86 3.67 680 1530 s aq<br />

fluoride DyF 3 219.50 7.465 1154 2230 i aq<br />

oxide Dy 2 O 3 373.00 7.81 27 2408 s aq<br />

Einsteinium Es 252.083 8.84 860<br />

Erbium Er 167.26 9.066 1529 2868 s acid<br />

chloride ErCl 3 273.62 4.1 776 1500 s aq; sl s alc<br />

oxide Er 2 O 3 382.52 8.640 2418 0.0005 25 aq; s acids<br />

sulfate 8-water Er 2 (SO 4 ) 3 ·8H 2 O 766.83 3.205 anhyd 110 d 630 16.0 g/100 mL 20 aq<br />

Europium Eu 151.965 5.244 822 1527 s acids<br />

(III) chloride EuCl 3 258.32 4.89 623 d s aq<br />

(III) oxide Eu 2 O 3 351.93 7.42 2350 i aq; s acids<br />

(III) sulfate 8-water Eu 2 (SO 4 ) 3 ·8H 2 O 736.24 8H 2 O, 375 2.56 20 aq

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