Atomic Volume ajid Specific Grmnty. ,^]7 



increase of 2j5*4« w^s obtained, in the first expeifiniient, and of 

 26*4;5 in the second, both at a temperature of 59°. j \ 



r.^'ddO, SOs + NH*tf; SOs + 6H0, vol. of salt 105-6 .. &S* 

 noiillpa baJfi-iwJB?. r^.Qhii iiv/qixIj iim lu -^JjJnfi. nlOS-S . 1-889 

 -Biaqms) n in O-lIlo agrjaTjni iir ,^Meani-is.{Xi> 105-7 •• l-H.vloo 

 Sulphate of Zinc and Sulphate of Potash^ ZnO, SOg + KO, 

 SO3 + 6 HO = 221- 86.— The fourth of an equivalent of this 

 salt (55-46 grains), on being dissolved in 1000 grains of water, 

 infcreased to 18 at a temperature of 60° in two experiments. 

 ^-V' • I. II. ZnO, SO3 + KO, SOg + 6H0, vol. in solution 72. 

 "' The same quantity immersed in a saturated solution, caused 

 mi increase also in two experiments of 24>' 7, the temperature 

 being 56°. 3'"=^" a'ujjrnsqiirjj odJ j'lartJonjs ni O'CI \nux jnoin 



--.=- ..uijjj!. :■ ,il i(iv ,\W.^ f. OH .08 .OpSp.gT. 

 If,%Zn0, SO3+KO, SO3+6HO, vol. of salt 98-8 ... 2-245 



Sulphate of Zinc a?id Sidphate of Ammonia^ ZnO, SOg -f 

 NH4O, SO3 + 6HO = 200.— On dissolving 45 grains of 

 Jt^ls salt in 1000 of water, an increase of 18-0 was occasioned 

 in three separate experiments at a temperature of 58'^. 



I. II. III. ZnO, SO3 + NH4O, SO3 -f 6H0, vol. in solution 80 " 



On adding the fourth of an equivalent (50 grains) to a sa- 

 turated solution, an increase of 26*4 was occasioned in the first 

 experiment, and of 26-3 in the second, both at a temperature 



I. Sulph. zmc and ammonia, vol. of salt lOS'o ... I'oS* 

 11. ... ... 105-2 ... l-90i}? 



0-gr noit„{o.ni.lo..Oi^^^^^- «• 105-4 ... 1-897 

 .^, Sulphate of Magnesia and Sulphate of Potash, MgO, SO3 

 ■i KO, SO3 + 6HO = 202-29.— When a quarter of an equi- 

 valent of this salt (50*57 grains) is dissolved in as many as 

 3140 grains of water, the volume at 32° is only 15*45, but is 

 18 at 80°. This gives for the salt in very dilute solution — 



MgO, SO3 + KO, SO3 + 6HO, vol. in solution 63 at 40° 



72 at 80° 



* The same quantity of salt after immersion in a saturated 

 solution gave in the first experiment an increase of 24*3, and 

 in the second of 24*4, both at a temperature of 57°. 



.« iIjOU . . . . ,,.,. Sp. gr. 



I. Sulph. magnesia and potash, vol. qf^alt. 97'2 . 2-081 



^hs nortolo8 ni Am ,«inonimxi bnii Tftffttfo * t ^1^ ' ^'^^^ 

 " ;> Mean . . 97-4 . 2*076 



' Sulphate of Magnesia and Ammonia, MgO, SO3 + NH4O, 

 SO3 + 6H6 = 181*12.--The fourth of an equivalent (45*28 



