Question

Write the balanced equation for the reaction of slaked lime (calcium hydroxide) with alum

Answer 1

Answer:

2(NH4SO4)+2[Ca(OH)2]------->2NH3+2[CaSO4]+3(H2O)

Answer 2

Answer:

2{NH4SO4} + 2[ Ca (OH)2]-----2NH3 + 2[CaSO4] + 3(H2O)

Explanation:

Slaked lime or Calcium Hydroxide when reacted with alum or ammonium sulfate gives ammonia gas as residue with calcium sulfate and water molecules.

This method is commonly used in the waste water treatment plants and thus helps to segregate the compounds. Balancing the equation by adding suffixes completes the whole reaction.  

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