Write a balanced chemical equation for the oxidation of chromium metal with nitric acid.Assume the reaction products are Cr3+ and NH4+.
A) H+(aq) + NO3−(aq) + Cr(s) → NH4+(aq) + Cr3+(aq)
B) 4H+(aq) + NO3−(aq) + Cr(s) → NH4+(aq) + Cr3+(aq)
C) 10H+(aq) + NO3−(aq) + 3Cr(s) → NH4+(aq) + 3Cr3+(aq) + 3H2O(l)
D) 10H+(aq) + NO3−(aq) + Cr(s) → NH4+(aq) + Cr3+(aq) + 3H2O(l)
E) 30H+(aq) + 3NO3−(aq) + 8Cr(s) → 3NH4+(aq) + 8Cr3+(aq) + 9H2O(l)
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