In a first-order reaction, the reacting substance has half-life period of 10 min. What fraction of the substance will be left after an hour the reaction has occurred?

In a first-order reaction, the reacting substance has half-life period

1.	In a first-order reaction, the reacting substance has half-life period of 10 min. What fraction of the substance will be left after an hour the reaction has occurred?
A.	1/6 of initial concentration
B.	1/64 of initial concentration
C.	1/12 of initial concentration
D.	1/32 of initial concentration
Answer» C. 1/12 of initial concentration

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In a first-order reaction, the reacting substance has half-life period of 10 min. What fraction of the substance will be left after an hour the reaction has occurred?

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