The kinetic data for the reaction 2 A → B + C is given below.

Calculate the moles of B formed in the first 40 s of the reaction given that there is initially 2.0 L of A.

• A. 0.391 mol B
• B. 0.587 mol B
• C. 0.826 mol B
• D. 0.970 mol B

Answer: (C)