The number of electrons required to balance the charge in the following half-equation is:

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Question

The number of electrons required to balance the charge in the following half-equation $NO_3^- + 4H^+ \rightarrow 2H_2O + NO$ is:

Prashant Kotian · Accepted Answer

Correct answer: B. Calculate the net charge on both sides. Left side: . Right side: . To balance the charge, we must add 3 electrons ( ) to the more positive side, which is the left side.

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