Question

Balance the following equations
1) Na + 02 - Na,o
3) Mg(OH)2 + HCI ,MgCl2 + H20
4
2)H,02H20+
) Fe+o, Fe,
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Answer 1

1 ) 2na+O2 =Na2o
i hope this may help you...

Answer 2

1. 2Na+O2=2Nao
2. Mg(OH)2+2HCL=Mgcl2+2H2O