The Initial Concentration of Reactant in a First-Order Reaction Is

question 31

Multiple Choice

The initial concentration of reactant in a first-order reaction is 0.27 M. The rate constant for the reaction is 0.75 s^-1. What is the concentration (mol/L) of reactant after 1.8 s?

• A)6.0
• B)1.7
• C)0.070
• D)0.012
• E)1.0

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