476 •N^'^'^'Wessrs. Play fair and Joiile ti^'A^ 



io fanji r|."Nap, SO3+HO, SOg^ Vol.in soJutiori'^ ii'8i.4^;si'j.il 



\n>u.r'' »..-«. t v.-.-i., !„,,. ,->uf> : , - Mean .->■. ,i8,"6r 

 S'he same quantity of salt thrown into a saturated solution 

 catised, in two experiments, an increase of 11*0 at a tempera- 

 ture of 5^!°. ■ ■■.VyV\> ^^^^^^\^A,^'? \^,.x\^ ■^s(\S.'\:^ 'n^. 



^'uli io h 'o rlj-md) • -" ! I'.V- Of !^'-!B'''08 



{idia-i^il' Bisulphate of RQOftj.vol. of salt^,, ^^'P, ,.,..^,$r7^z.i, , 



,\Animoniacal Sulphate of Copper^ CuO, SO3, HO + 2NH3 

 = 123'0. — The fourth of an equivalent (30' 8 grains) of this 

 fsubbtance in beautiful large indigo-blue crystals, dissolved in 

 1000 grains of water, with an increase of 13*3 in one experi- 

 ment and 13*0 in another, the temperature being 54 and 50°. 



■^L CuO, SO3, HO + 2NH3, vol. in solution 53-2 



ftr- .:/" '"■.., -":;;./"' ^' ...%^^. - -^-52*0- 



V 61 '5 grains of this salt placed in the solution from which 

 it had crystallized, caused an increase of 34'3, and on a repe- 

 tition of the experiment of 34*4, at a temperature of 60°.'^ "' 



Sp.gr. 

 - I. CuO, SQ3, HO + 2NH3, vol. of salt 68-6 ... l'79S 

 JalEoilJ iii baagJgxiaDo c&w -h-'d^ '\ij,ii^iis>voi\i d 68-8 ... 1*788 

 aiLdflisqrnsJ r> In died Jiriooaa Mk^n ^'/.(^!i'.l' 68*7 ... 1'790 



Sulphate of Copper and Sulphate of Potash, CuO, SO3 + KO, 

 SO3 + 6HO = 221 -31. —The fourth of an equivalent (55-32 

 grains) dissolved in 3140 grains of water at 32°, increased to 

 16-3, and at 72° to 18-0. 



CuO, SO3+KO, SO3+6HO, vol. in solution 72*0 

 ■ The same quantity of the salt placed in its saturated solu- 

 tion, caused an increase of 24*7 in one experiment and of 24*6 

 in a second, the temperature on both occasions, being SS"^. 



I. CuO, SOg + KQ, S03+6HO,Y^l.^^Saltr{'i98-8 . 2-239 

 IIO^ ifi ea.. noiluloiw^ii .lov ^UHd -f-,,G)L^ ,0 98-4 . 2-249 

 " - - "~ Mean . . 986 . 2*244 



• Sulphate of Copper and Sulphate of Ammonia, CuO, SO3 

 -f- NH4O, SO3 + 6 HO = 199*88.— On dissolving 50 grains 

 of this salt in 1000 grains of water, an increase was occasioned 

 in the first experiment of 20-2, in the second of 20-3, both at 

 a temperature of 59°. 



I. Sulphate of copper and ammonia, vol. in solution 80*8 

 If U ii • >.',i6 . : .... itHol/i ... .,. ... 81'2 



.OJTKj- O?'! .Ot^T/ v>'uu>.i-nuV '>M» Mean . . ^T^ 



On immersing the same quantity in a saturated solution, an 



