Question

chemical formula by Criss cross method

+1 -2
+2 -1
+1 -1
+2 -2
+2 -3
+3 -3
+3 -2
+4 -3
+3 -4

Answer 1

hi mate here is the answer☺☺
1.x2y
2.xy2
3.xy
4.xy
5.x3y2
6.xy
7.x2y3
8.x3y4
9.x4y3
a brainlist pls

Answer 2

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