The above reaction was studied at 300 K by monitoring the concentration of in which initial concentration was 10 M and after half an hour became 8.8 M. The rate of production of is (Nearest integer

Question

The above reaction was studied at 300 K by monitoring the concentration of  in which initial concentration was 10 M and after half an hour became 8.8 M. The rate of production of  is  (Nearest integer)

Canvas Classes · Accepted Answer

🧠 Use the Stoichiometric Bridge — Rate of One Species Sets the Rate of Every Other

Read the question slowly. You are given the rate of disappearance of  and asked for the rate of appearance of . These are not the same number — they are linked by the stoichiometric coefficients.

The reaction is . So 6 moles of  produce 3 moles of . The ratio is . For every 2 mol of iron(II) consumed, 1 mol of iron(III) sulphate is formed.

First move: write the rate-of-reaction expression using coefficients, t

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