What Is the Half-Life of a First-Order Reaction If It $\times$

question 1

Multiple Choice

What is the half-life of a first-order reaction if it takes 4.4 $\times$ 10^-2 seconds for the concentration to decrease from 0.50 M to 0.20 M?

• A) 2.5 \(\times\) 10^-2 s
• B) 3.3 \(\times\) 10^-2 s
• C) 1.6 s
• D) 21 s
• E) 27 s