. Carnegie Institution of Washington publication. . Mg!N03)2 Ca(NO;;).: VTBa(NO:.)., Concentration Fig. 25. Concentration Fig. 24. Another point is to be noted—one to which reference will be made later in this paper. A glance at the curves representing the values of M and H for the three salts—cal- cium, strontium, and magnesium chlorides—will show that in each case the curves for calcium chloride lie above those for strontium chlo- ride, while the two curves for mag- nesium chloride lie above those for calcium chloride. This order is just the reverse of that for the atom
. Carnegie Institution of Washington publication. . Mg!N03)2 Ca(NO;;).: VTBa(NO:.)., Concentration Fig. 25. Concentration Fig. 24. Another point is to be noted—one to which reference will be made later in this paper. A glance at the curves representing the values of M and H for the three salts—cal- cium, strontium, and magnesium chlorides—will show that in each case the curves for calcium chloride lie above those for strontium chlo- ride, while the two curves for mag- nesium chloride lie above those for calcium chloride. This order is just the reverse of that for the atomic volumes of the three metals. Although barium chloride crystallizes with but two molecules of water, the atomic volume of barium is still larger than that of strontium. This may account for the relatively high hydrating power of the ions of barium salts. The curves for the values of M and H are given in figs. 23 and 22, respectively. CALCIUM NITRATE. The mother-solution was diluted and 50 portions were taken for standardiza- tion. The calcium was precipitated by means of ammonium oxalate and weighed as calcium oxide. Table 49 gives the data; the curves are plotted in figs. 24 and 25. Nothing special need be said regarding the data for calcium nitrate, except to call attention to the fact that the amounts of water combined with calcium chloride in. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Carnegie Institution of Washington. Washington, Carnegie Institution of Washington
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