# Problem: What is the net ionic equation for the reaction (NH 4)2SO4 (aq) + CaS (aq)a) 2NH4 + (aq) +S -2 (aq) → (NH4)2S(s)b) Ca+2(aq) + SO4 -2 (aq) → CaSO4(s)c) 2NH4 + (aq) + S -2 (aq) + Ca+2(aq) + SO4 -2 (aq) → (NH 4)2S(s) + CaSO4(s)d) There is no net ionic equatione) 2NH4 + (aq) + S -2 (aq) + Ca+2(aq) +SO4 -2 (aq) → (NH 4)2S(aq) + CaSO4(aq)

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###### Problem Details

What is the net ionic equation for the reaction (NH 4)2SO(aq) + CaS (aq)

a) 2NH4 + (aq) +S -2 (aq) → (NH4)2S(s)

b) Ca+2(aq) + SO4 -2 (aq) → CaSO4(s)

c) 2NH4 + (aq) + S -2 (aq) + Ca+2(aq) + SO4 -2 (aq) → (NH 4)2S(s) + CaSO4(s)

d) There is no net ionic equation

e) 2NH4 + (aq) + S -2 (aq) + Ca+2(aq) +SO4 -2 (aq) → (NH 4)2S(aq) + CaSO4(aq)

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