Chemistry · 2013
JEE Main · 25 April 2013, Shift 1 · Q37
A radioactive isotope having a half - life period of 3 days was received after 12 days. If 3 g of the isotope is left in the container, what would be…
A radioactive isotope having a half - life period of $\displaystyle 3$ days was received after $\displaystyle 12$ days. If $\displaystyle 3$ g of the isotope is left in the container, what would be the initial mass of the isotope ?
Official answer
(3)
$\displaystyle 48$ g
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