A chemistry problem by Mateus Gomes

Chemistry Level 3

[ C r ( N X 2 H X 4 C O ) X 6 ] X 4 [ C r ( C N ) X 6 ] X 3 + K M n O X 4 + H X 2 S O X 4 K X 2 C r X 2 O X 7 + K N O X 3 + C O X 2 + M n S O X 4 + H X 2 O + K X 2 S O X 4 \ce{[Cr(N_2H_4CO)_6]_4[Cr(CN)_6]_3 + KMnO_4 +H_2SO_4 -> \, K_2Cr_2O_7 + KNO_3 + CO_2 + MnSO_4 +H_2O + K_2SO_4}

Calculate the sum of the stoichiometric coefficients.


The answer is 6978.

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