1.

The numberof electronsrequiredto balancethe followingequation, NO_(3)^(-) +4H^(+) +e^(-)to2H_2 O +NOis

Answer»

5
4
3
2

Solution :`MO_(3)^(-)+4H^(+)to 2H_2 O +NO`
in thisequationall theatomsarebalanced.To balancechargeAdd`3E^(-)`to L.H.Swe have
`NO_3^(-)+ 4H^(+)+ 3e^(-)to 2H_2O +NO `


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