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1¡¢¸ù¾Ý  [CuN4] = Cu2+ + 4N
              0.15-x           x         0.1+4x
           0.15-x ~= 0.15   0.1+x ~=0.1
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2¡¢¸ù¾Ý  NH3.H2O = NH4+ + OH
              0.1-y           0.1+y       y
       0.1-y ~=0.1   0.1+y~= 0.1
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3¡¢ÔÙ¸ù¾Ý [Cu2+][OH-]^2 = Q
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