In the Reaction 2HgO(s) → 2Hg(l) + O₂(g) We Measure

question 91

Multiple Choice

In the reaction 2HgO(s) → 2Hg(l) + O₂(g) we measure the evolution of gas to determine the rate of reaction. At the beginning of the reaction (at 0 minutes) , 0.020 L of O₂ is present. After 15 minutes the volume of O₂ is 0.35 L. What is the rate of reaction?

• A) 0.022 L/min
• B) 0.023 L/min
• C) 0.23 L/min
• D) 0.33 L/min

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