Question

a balanced net ionic equation for the reaction of NiBr2(aq) with (NH4)2S(aq).
A) NiBr2(aq) + (NH4)2S(aq) -> NiS(s) + 2 NH4Br(aq)
B) Ni2+(aq) + 2 Br-(aq) + 2 NH4+(aq) + S2-(aq) -> NiS(s) + 2 NH4+(aq) + 2 Br-(aq)
C) Ni2+(aq) + 2 Br-(aq) + 2 NH4+(aq) + S2-(aq) -> NiS(s) + 2 NH4Br(s)
D) Ni2+(aq) + S2-(aq) -> NiS(s)

Answer

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