Synthetic Inorganic Chemistry

130 THE THEORY OF IONIZATION PROBLEMS Acetic acid in 0.1 molal solution is 1.4 per cent ionized. Find the value of the ionizati ...

SOLUBILITY AND SOLUBILITY PRODUCT 131 SOLUBILITY AND SOLUBILITY PRODUCT The solubility of a substance is defined as the concentr ...

132 THE THEORY OF IONIZATION of lead iodide is 0.002 F.W. per liter, the concentration of Pb++ ions is 0.002, and the concentrat ...

HYDROGEN ION CONCENTRATION; THE pH SCALE 133 important to have a convenient scale by which to measure this activity. In liV stro ...

134 THE THEORY OF IONIZATION Control of pH. Values of pH near the top and near the bottom of the scale may be definitely control ...

INDICATORS 135 and the new pH value is 4.735, which is thus not materially changed from its original value. If we add Ice. of li ...

136 THE THEORY OF IONIZATION tion the pH value of the solution is determined. Three of the most commonly used indicators are inc ...

CHAPTER IV THE NON-METALLIC ELEMENTS IN BINARY COMPOUNDS One of the distinctive chemical properties of non-metallic elements is ...

138 NON-METALLIC ELEMENTS IN BINARY COMPOUNDS Materials: copper metal (turnings or wire), 13 grams = 0.2 F.W. 6 N HNO 3 , 88 cc. ...

BARIUM PEROXIDE 139 have a suspension of the copper oxide from which all air has been expelled. Add a few drops of 6iV HC1 and o ...

140 NON-METALLIC ELEMENTS IN BINARY COMPOUNDS in air the peroxide, Na 2 O2, is formed. It is difficult to limit the access of ox ...

BARIUM PEROXIDE 141 Apparatus: 8-inch porcelain dish. 5-inch funnel. 2-liter common bottle. 600-cc. beaker, suction filter and t ...

142 NON-METALLIC ELEMENTS IN BINARY COMPOUNDS PREPARATION 7 HYDROCHLORIC ACID, HC1 Hydrogen chloride may be formed by direct syn ...

HYDROCHLORIC ACID 143 thistle tube. 2-hole rubber stopper to fit flask and bottles. three 1-hole rubber stoppers to fit Woulff b ...

144 NON-METALLIC ELEMENTS IN BINARY COMPOUNDS reaction will form a solid cake and the flask may be broken in trying to remove it ...

HYDROBROMIC ACID Materials: bromine, 40 grams = 12.5 cc. = 0.25 F.W. red phosphorus, 7 grams. sand. broken glass. Apparatus: 125 ...

146 NON-METALLIC ELEMENTS IN BINARY COMPOUNDS The phosphorus will not stick to the glass. Add water one drop at a time, shaking ...

BARIUM CHLORIDE 147 PREPARATION 9 BARIUM CHLORIDE, BaCl 2 -2H 2 O A general method of preparing a salt is by neutralizing an aci ...

148 NON-METALLIC ELEMENTS IN BINARY COMPOUNDS solid barium carbonate in small portions. Stir the mixture after each addition. (I ...

ALUMINUM SULPHIDE 149 PREPARATION OF OTHER BARIUM SALTS By suitable modification, the procedure used to prepare barium chloride ...