2KOH+CuCl2=2KCl+Cu(OH)2 (осадок)
120-100%
x -30%
x=120*30/100
x=36г
36 --------------------------х
2KOH+CuCl2=2KCl+Cu(OH)2
2*56-------------------------9
х=36*98/112
х=31.5
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2KOH+CuCl2=2KCl+Cu(OH)2 (осадок)
120-100%
x -30%
x=120*30/100
x=36г
36 --------------------------х
2KOH+CuCl2=2KCl+Cu(OH)2
2*56-------------------------9
х=36*98/112
х=31.5