Gaseous Radon 222 forms in soil As it rises from the soil it

Last updated: 5/9/2023

Gaseous Radon 222 forms in soil As it rises from the soil it can be trapped in basements below homes This gas an alpha emitter decays into Po 218 once inhaled by people it can cause lung cancer A sample of gas is tested for Rn 222 The 1 2 life of Rn 222 is 3 823 days After 63 days the sample is found to contain 3 50 108 g of Rn 222 How many grams of Rn 222 were initially present g How many grams of Po 218 have been formed