Select the correct coefficients (1-6) needed to balance the following reaction under acidic, aqueous conditions: Cr2O7 2-(aq) + HNO2(aq) ? Cr3+(aq) + NO3-(aq) Cr3+(aq) NO3-(aq) Cr2O7 2-(aq) H2O(l) H+(aq) HNO2(aq) 1. 1 2. 2 3. 3 4. 4 5. 5 6. 6
Added by Josep H.
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Step 1
First, we need to write down the unbalanced reaction: Cr2O7^2-(aq) + HNO2(aq) -> Cr^3+(aq) + NO3^-(aq) Now, we will balance the reaction using the half-reaction method. Show more…
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