CU2O- 64×2+16=144
NH3-14+3=17
(NH4)2SO4=132
K4FE(CN)6)=39×4+56×12×14×6=213696
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CU2O- 64×2+16=144
NH3-14+3=17
(NH4)2SO4=132
K4FE(CN)6)=39×4+56×12×14×6=213696