Question

Show chemical formula of ammonium sulfate using cries Cross method

Answer 1

Cross multiply (NH4)2 (SO4)1 = (NH4)2SO4 Magnesium bicarbonate Mg2+ HCO31− Cross multiply Mg1(HCO3)2 = Mg(HCO3)2 Barium nitrate Ba2+ NO3−1 Cross multiply Ba1 (NO3)2 = Ba(NO3)2

Answer 2

Answer:

Ammonium means NH4 and sulphate means SO4.

so, that's (NH4)2 SO4.

because NH4 Valency is +1 and so4 valency is -2.