Define the initial concentration of a reactant

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The initial concentration of a reactant in a first order reaction is 0.620 molar. What will be its concentration after 3 half-lives?

1. 0.103 M

2. 0.310 M

3. 0.0775 M

4. 0.207 M

5. 0.0865 M

Reference no: EM13545469

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