12 Mr. William Sutherland on the 



his experimental data is not exact (see Worthington, Proc. 

 Roy. Soc. xxxii.) ; hut his values have been taken as exact 

 enough for present purposes. The first set of data for all the 

 K and Na compounds are Traube's, the rest are Quincke's. 



Table IX. 

 Compounds of Potassium. 

 KR KC1. KBr. KI. 



* m 14-2 K)0 9-5 (10-o7 9*3 {&9) %5 (8-4) 



p 2-45 1-98 2-69 ... 3-08 



(M 2 /)* ... 5-1 6-3 61 (6-2) 6-9 (6-0) 7-8 (7-8) 



M/p 23-7 376 44 2 ... 538 



KN0 3 . KN0 2 . K01O 3 . KBrO 



* >n 10 100 (100) 10-9 8-8 9-5 



p 207 200 232 3-27 



(M 2 0* 7-8 7-8 (7-8) 7-3 7-8 7-9 



M/p 488 43-0 528 51-2 



KCN. KCNO. K,C0 3 . K 2 S0 4 . 



u n 9-8 11-9 ^6-7 163 14^8 C. 18- 1 167 



P 152 205 2-26 266 



(M 2 /)l 69 71 121 120 11-4 ... 13*4 128 



M/p ... 428 394 6M 653 



K 2 P 2 6 . K 2 Cr0 4 . K 2 Cr 2 7 . K 2 Cr 3 O 10 . 



mm 140 135 135 131 



p 226 2 68 2-67 2-65 



(M 2 /)2 17-4 12-6 17-8 226 



M/p 104-4 72-4 111-0 1493 



Compounds of Sodium. 



NaCl. NaBr. NaN0 3 . NaNO a . 



r 



m m 11-6 116 (9-5) 105 (7-0) 116 (11-2) 12-2 



p 2-15 30 ... 2-18 ... 210 



(M 2 ^ ... 5-2 5-2 (4-7) 6-0 (4-9) 69 (68) 6-2 



M/p ...... 27-2 ... ... 34-4 ... 390 ... 33'0 



NaCN. NaCl0 3 . Na,C0 3 . Na 2 S0 4 . 



a m . ........ 109 9-4 210 182 16-6 18 4 18-5 18-6 



p 150 2-47 2-46 268 



(MH)i ... 5-8 67 10-2 9-5 91 113 114 11-4 



M/p 33 43 43 53 



