Question

write the chemical formula using criss-cross method ammonium sulphate, magnesium bicarbonate, barium nitrate

Answer 1

Explanation:

1) Ammonium : $NH_4^+$ ,Sulfate : $SO_4^{2-}$

Using chemical cross method the formula of ammonium sulfate :$(NH_3)_2SO_4$

2) Magnesium : $Mg^{2+}$, Bicarbonate : $HCO_3^-$

Using chemical cross method the formula of  magnesium bicarbonate:$Mg(HCO_3)_2$

3) Barium : $Ba^{2+}$, Nitrate : $NO_3^{-}$

Using chemical cross method the formula of barium nitrate :$Ba(NO_3)_2$

Answer 2

Answer:

Answer is given in the attachment

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