A $1.0$-mol sample of an isotope is decaying with a half-life of $28 \mathrm { y }$. After $61 \mathrm { y }$, how man moles of this isotope are left and what is its activity in Bq?

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The Answer of A $1.0$-mol sample of an isotope is decaying with a half-life of $28 \mathrm { y }$. After $61 \mathrm { y }$, how man moles of this isotope are left and what is its activity in Bq?

A 1.01.01.0 -Mol Sample of an Isotope Is Decaying with a Half-Life

A $1.0$ -Mol Sample of an Isotope Is Decaying with a Half-Life