Synthetic Inorganic Chemistry

190 ALKALI AND ALKALINE EARTH METALS salts as sea water. " Rock salt" is the name applied to coarse unpurified salt, and it cont ...

CHEMICALLY PURE SODIUM CHLORIDE 191 Procedure: Dissolve 25 grams of rock salt in 75 cc. of water, hastening the action with gent ...

192 ALKALI AND ALKALINE EARTH METALS cipitated sodium chloride on a suction filter. Test the filtrate for sulphate by adding a l ...

AMMONIUM BROMIDE 193 with the formation of sodium hypobromite and sodium bromide. Br 2 + 2NaOH = NaBr + NaBrO + H 2 O Sodium hyp ...

194 ALKALI AND ALKALINE EARTH METALS the solution into the evaporating dish and evaporate it to dryness on the steam bath (see N ...

STRONTIUM HYDROXIDE 195 copper oxide continuously goes into solution to resupply Cu++ ions. This action continues until either t ...

196 ALAKLI AND ALKALINE EARTH METALS in order to avoid having the crystals form in the filter and clog it completely. Heat 50 cc ...

STRONTIUM CHLORIDE 197 and furthermore, to show that strontium sulphate may be at- tacked without the use of a furnace, we shall ...

198 ALKALI AND ALKALINE EARTH METALS Apparatus: 8-inch porcelain dish. 600-cc. beaker, mortar and pestle, iron ring and ring sta ...

BARIUM OXIDE AND BARIUM HYDROXIDE 199 (Note 9 (6), page 15). These crystals are efflorescent, hence, as soon as the paper packag ...

(^200) ALKALI AND ALKALINE EARTH METALS At the equilibrium point of this reaction the partial pressure of carbon monoxide is man ...

BARIUM OXIDE AND BARIUM HYDROXIDE 201 5-inch filter funnel and filter. 5-inch watch glass. 500-cc. flask, iron ring and ring sta ...

202 ALKALI AND ALKALINE EARTH METALS Suggestion: Make use of the difference in solubility of barium chloride and barium hydroxid ...

EXPERIMENTS 203 Burn a strip of magnesium ribbon, held with iron pincers, and let the ash fall in a porcelain dish. Wet the mag ...

204 ALKALI AND ALKALINE EARTH METALS AMMONIUM COMPOUNDS When ammonium hydroxide dissociates electrolytically it yields the ion N ...

GENERAL QUESTIONS V 205 The rate of diffusion of gases, according to Graham's law, is inversely proportioned to the square root ...

206 ALKALI AND ALKALINE EARTH METALS solubility of the hydroxide in grams per 100 grams of water at 25°; (6) the formula of the ...

GENERAL QUESTIONS V 207 nesium oxide, Mg + iO 2 —• MgO + 143,400, and the heat of formation of carbon dioxide, C + O 2 —> CO ...

CHAPTER VI ELEMENTS OF GROUP III OF THE PERIODIC SYSTEM Boron and aluminum, the first two members of this group, are the only on ...

BORIC ACID 209 Procedure: Dissolve 96 grams of borax in 175 cc. of boiling water. Calculate the volume of 12 N HC1 required to l ...