138 SMITH'S INTERMEDIATE CHEMISTRY 



10. What weight of silver chloride is formed by the interaction 

 of 5 g. of sodium chloride with silver nitrate? 



11. What should be the difference in cost of 1000 g. of oxygen 

 according as it is obtained by decomposing mercuric oxide at $3.00 

 per kilog. or potassium chlorate at 30 cents per kilog.? 



