Question: A radioactive sample initially contains 0 . 2 1 9 molmol of radioactive nuclei whose half - life is 6 . 0 0 h 6

A radioactive sample initially contains 0.219molmol of radioactive nuclei whose half-life is 6.00h6.00h.
How many moles of radioactive nuclei remain after 6.00h6.00h ?
How many moles of radioactive nuclei remain after 12.0 h?
How many moles of radioactive nuclei remain after 48hh?

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