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

Multiple Choice

For 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 min) , 0.070 L of O₂ is present. After 15 min, the volume of O₂ is 0.40 L. What is the rate of reaction?

A) 0.022 L/min
B) 0.033 L/min
C) 0.23 L/min
D) 0.33 L/min