The valency of;
1.Zinc sulphate.......Zn2+ V=2, SO42- V=2
2.Magnesium Carbonate...... Mg2+ V=2, CO32- V=2
3.Aluminum nitrate......... Al3+ V=3, NO3- V=1
Biology Chemistry tutor answered the question on December 21, 2017 at 18:45
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