# Problem: Bismuth-210 is beta emitter with a half-life of 5.0 days. If a sample contains 1.3 g of Bi-210 (atomic mass = 209.984105 amu), how many beta emissions would occur in 13.6 days?

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###### Problem Details

Bismuth-210 is beta emitter with a half-life of 5.0 days. If a sample contains 1.3 g of Bi-210 (atomic mass = 209.984105 amu), how many beta emissions would occur in 13.6 days?