Question

how to find molecular formula for Ammonium Sulphate by Criss cross method?​

Answer 1

Answer:

Sulphate ion is bivalent anion (i.e. charge is -2) and is represented as SO4−2 and calcium ion is bivalent cation Ca+2 and by Crisscross method their formula is CaSO4 . Now ammonium is univalent cation given by NH4+ and hence by Crisscross method we get sulphate of ammonium formula as (NH4)2SO4

Answer 2

Answer: Sulphate ion is bivalent anion (i.e. charge is -2) and is represented as SO4−2 and calcium ion is bivalent cation Ca+2 and by Crisscross method their formula is CaSO4 . Now ammonium is univalent cation given by NH4+ and hence by Crisscross method we get sulphate of ammonium formula as (NH4)2SO4.

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