544 Mr. W. W. J. Nicol on the 



WaCl+KCl. 



(2) 31-39 Per „ Cent '} 45 "^ 100 *- Mol.wt. = 2623-3. 



(1) 8=1-23689 ") M n , gionQ 



(2) 8=l-23697) Mol - voL=21208 - 



The potassium and sodium estimated as sulphates gave : — 

 EatioKCl:NaCl{gg:J:;^| 



Mean ratio=l : 1*66. 



And a number of compound molecules (KC1 1*66 NaCl) = 

 4-795. 



NaNO & + NaCl. 



(2) 1*28 Per j ent '} 76-93/100. Mol. wt. =3184-7. 



Chlorine determined as AgCl : — 



NaCl. : NaN0 3 . Ratio= f fi) } : J'j£> 

 6 (.(2) 1 : 1-422. 



Mean ratio =1 : 1-444. 



Number of compound molecules =7-64. 



KCI + KN0 3 . 

 (2) lt-fi Per „ Cent '} 52 ' 67/m MoLwt-2748-1. 



^8=r2l878} MoLvol - = 220 °- 9 - 

 Chlorine as AgCl : — 



KN0 3 : KC1. Ratio=l : 2-36. 

 Number of compound molecules =3-42. 



KNO z + NaNO z . 



(2) 57-52 } 135 ' 29 - MoLwi =- 42 35-2. 



(1) 8=1-49608-) M , , OQQn . 

 (2)S=l-49624) MoLvol - = 283 °- 6 - 



Sodium and potassium as sulphates : — 



KNO3 : NaN0 3 . Ratio= | g) \ \ ||JJ 



Mean ratio = 1 : 2 '45. 

 Number of compound molecules = 7*87. 

 In Table V. the leading results of the above experiments 

 are given with those of calculations based on them. In 

 column B are given the number of salt-molecules of each salt 

 * .r/100=parts of salt per 100 of water. 



