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    How many electrons are needed when the following half-equation is balanced using the lowest possible whole numbers?

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    SLPaper 1A

    How many electrons are needed when the following half-equation is balanced using the lowest possible whole numbers?

    ...NO3– (aq)+...H+ (aq)+...e–→...NO (g)+...H2O (l)... NO_3^– (aq) + ... H^+ (aq) + ... e^– → ... NO (g) + ... H_2O (l)...NO3–​ (aq)+...H+ (aq)+...e–→...NO (g)+...H2​O (l)

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