For a Reaction AA $\rightarrow$ Products, [A]₀ = 4 $\rightarrow$ B + C Is Known to Be Zero Order in and the First

question 113

Multiple Choice

For a reaction aA $\rightarrow$ products, [A]₀ = 4.0 M, and the first three successive half-lives are 48, 96, and 192 min.
-The reaction A $\rightarrow$ B + C is known to be zero order in A with a rate constant of 4.2 *10^-2 mol/L • s at 25° C. An experiment was run at 25°C where [A]₀ = 1.8 M. What is the concentration of B after 5.4 s?

• A) 1.6 M
• B) 5.2 * 10^-1 M
• C) 1.8 M
• D) 2.3 *10^-1 M
• E) 1.0 * 10^-1 M

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