The Decomposition of Hydrogen Peroxide (H₂O₂)into O₂( G )And Liquid

The decomposition of hydrogen peroxide (H₂O₂) into O₂( g ) and liquid H₂O produced the following data: What is the average rate in mL\min for the third ten-minute period of the reaction?

A) 6.72 mL\min
B) 10.1 mL\min
C) 7.98 mL\min
D) 15.7 mL\min