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NaCl by the side of CuCl, .2H,0, Na,SO, or Na,Cu (SO). 2 H,O 
but not to CuSO,.5H,O or Na,SO,.10H,O 
Na,SO, by the side of NaCl, Na,SO,.10H,O or Na,Cu(SO,), .2H,0 
but not to CuSO,.5H,O or CuCl, .2H,O 
Na,SO,.10H,O by the side of Na,SO, or Na,Cu (SO,), . 2 H,O 
2 
2 
but not to NaCl, CuCl, .2H,O or Na,Cu (SO,), . 2 H,O 
Na,Cu (SO,), . 2 H,O by the side of all other solid substances. 
In table II are given the compositions of the solutions in mol. °/,. 
TABLE Il. 
Compositions in mol. °/) at 25°. 
Point. H,O CuSO, CuCl, Na,SO, NaCl, Solid phase. 
f. 90.695 0 9,305 0 0) CuCl,.2H,O 
e. 90.534 0.42% 9.042 0 0 CuCl, 2H,0+CuSO,.5H,0 
re 90.695 0 9.305 0 0 CuCl,.2H,O 
g. 89.014 0 8.193 0 2.793  CuCl,.2H,O+NaCl 
g. 89.014 0 8.193 0 2.793 _ CuCl,.2H,O+ NaCl 
m. 88.92% 0.984 7.994 0 2.800  CuCly.2H,O+NaCl+D 
e. 90.534 0.424 9,042 0 0 CuCly.2H,O+CuSO,.5H,O 
B= 90.210 0.502 8,692 0 0,596 RRs Np i! 
mn. 89.760 0587 ' 8428 0 1225  CuCl,.2H,O+CuSO,.5H,0+-D 
ie 80760 ~ '058TT 8.498 0 1,225 CuCly.2H,O+CuSO,.5H,O+D 
= E 99733 0392 824 0 1,604  CuCl.2H,0-D 
a eat 
m. 88.992 0,984 7,994 0 2,800  CuCly.2H,O-+NaCil-+-D 
g. 89,014 0 8,193 0 2793 CuCl ,2H,O+NaCl 
h. _94,075 0 0 0 5.25 NaCl 
m 88,992 0,984 ‘17,994 0 2,800 CuCl,.2H,O+NaCi+-D 
89,840 0299 6.654 0 3.210 NaCi-+-D 
90,700 0,358 5,510 0 3,437 “ds 
90.851 0.352 5.314 0 3,483 io aie 
91.371. 0.386 4.391 0 3.852 En 
_ 92,999 0493 3,934 0 4121 AR 
S 
we 92.94 0491 2196 0 4459 fog? i 
= 
ke Wi! ese 0 1,839 0.573 4,296 » Fp 
an | 
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