Sep '14
14
MCAT Question of the Day | MCAT Course


  • Q:

    While half-life is a common concept in chemistry, a third-life is also sometimes used. It is defined as the time for a substance to be reduced to a third of its initial value. If a substance has a third-life of 10 minutes and we start with 1000 g of a substance, approximately how much will be left in 30 minutes?

     

    A

    40 g

    B

    75 g

    C

    87 g

    D

    101 g




    Tags: Quantitative Skills | Suggest a tag
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