A radioactive sample initially contains 2.40 × 10−2 mol of a radioactive material whose half-life is 6.00 h. How many moles of the radioactive material remain after 6.00 h? After 12.0 h? After 36.0 h?
number of moles remaining,
number of moles remaining after 6h
number of moles remaining after 12h
number of moles remaining after 36h
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