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The ammonia prepared by treating ammonium sulphate with calcium hydroxide is completely used by $$NiCl_{2}.6H_{2}O$$ tp form a stable coordination compound. Assume that both the reactions are 100% complete. If 1584 g of ammonium sulphate and 952 g of $$NiCl_{2} 6H_{2}O$$ are used in the preparation, the combined weight (in grams) of gypsum and the nickel-ammonia coordination compound thus produced is ____
(Atomic weights in g $$mol^{-1} : H = 1, N = 14, O = 16, S = 32, Cl = 35.5, Ca = 40, Ni = 59$$)
Correct Answer: e
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