Question

Please answer for these 3 questions...​

Answer 1

Answer:

7.

a.The chemical or molecular formula for Ammonium Carbonate is (NH4)2CO3.

b.Magnesium Sulfate: MgSO4.

8.

a.Molecular mass of K2CO3 = 138.205 g/mol

b.Molecular mass of Na2 O = 62u.

       HOPE THIS HELPED AND PLS MARK AS THE BRAINLIEST :)