# Chemistry

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CoCl2(aq) + NH3(aq) = ?

Cu(NO3)2(aq) +NH3(aq) = ?

CuSO4(aq) +NH3(aq) = ?

Could some one please tell me what the answers are?? I am stuck... what do I do with the NH3??? Thank you!!!!!

• Chemistry -

Ammonia forms a complex ion with Cu,Co, Ni, Zn, etc.
Cu(NO3)2 + 4NH3 ==> Cu(NH3)4(NO3)2

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