Question

Which equation is not balanced?

A 2Mg(s) + O2(g) → 2MgO(s)

B 2Mg(NO3)2(s) → 2MgO(s) + 4NO2(g) + O2(g)

C MgO(s) + HCl(aq) → MgCl2(aq) + H2O(1)

D Mg(s) + CuSO4(aq) → MgSO4(aq) + Cu(s)

Answer 1

c is not balanced

Step-by-step explanation:

in order to be balance it would need a 2 in front of HCl because there is only one H and Cl on left