A sample of $1.0 \times 10^{10}$ atoms that decay by alpha emission has a half-life of 100 min. How many alpha particles are emitted between $t=50$ min and $t=200$ min?
Added by Peter R.
Step 1
5)^{50/100}$. Substitute $n_0 = 1.0 \times 10^{10}$ and calculate: $n_{50} = 1.0 \times 10^{10} \times (0.5)^{0.5} = 7.07 \times 10^9$ atoms. Show more…
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