Force to Latent Heat fyc, of Electrolytes, 161 



Experiment 9. 



Strong solution of Sulphate of Ammonium + Water. 



0. 

 264grns. A m 2 S0 4 in 69*80.0. of water I Temp, before mixing 14*98 

 46 c.c. of water '. ' f „ after „ 14-84 



Decrease "14 0. deg. 

 E.M.F. with Cd + Pt at 18° C. 



Volt. Volt. 



The strong solution = -9815) ■»«- -^Tv/r-m i • u n0 cf 



Water m * = -850 f Mean E.M.F. ty weight = -9356 



The diluted solution = '9758 



p.cent. 



Increase -0402=4-30 



Experiment 10. 



Strong solution of Carbonate of Sodium + Water, 



0. 

 106 grns. Na 2 C0 3 in 58c.c. of water ) Temp, before mixing= 12*70 

 58 c.c. of water ( „ after „ = 12-42 



Decrease -28 C. deg. 

 E.M.F. with Cd + Pt at 16° C. 



Volt. Volt. 



The strong solution = ^ | Mean E.M.F. by weight = *7972 



The diluted solution = '7527 



p.cent. 



Decrease -0445=5-58 



Experiment 11. 



Strong solution of Nitrate of Potassium + Water. 



c. 



200 grains ofKN0 3 in 58 c.c. of water I Temp, before mixing 15*24 

 58 c.c. of water J „ after „ 14*70 



Decrease # 54 0. deg. 

 E.M.F. with Cd + Pt at 18° C. 



Volts. Volts. 



The^strong solution =1*0216 | Mean EMF by weight== . 9443 



The diluted solution =1*01588 



p.cent. 



Increase -07158=7*57 



Experiment 12. 



Strong solution of Chloride of Ammonium + Water. 



C. 

 400 grains AmCl in 86*5 c.c. of water I Temp, before mixing 14*80 

 129*6 c.c. of water 1 „ after „ 14-61 



Decrease -19 0. deg. 

 Phil. Mag. S. 5. Vol. 32. No. 195. August 1891. M 



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