The Reaction a → B + C Is Known to Be

question 45

Multiple Choice

The reaction A → B + C is known to be zero order in A with a rate constant of 4.8 × 10^-2 mol/L • s at 25° C. An experiment was run at 25°C where [A]₀ = 2.0M. What is the concentration of B after 4.0s?

• A) 1.8M
• B) 5.5× 10^-1 M
• C) 2.0M
• D) 1.9× 10^-1 M
• E) 1.1× 10^-1 M

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