Radon 222 half life curve


Chemistry Software Download

Example calculating radon-222 decay

Question

How many grams are left of 10 grams Rn-222 after 2 days
(half time of Rn-222 = 3.824 days).
Answer
Y = Y1*exp(-0.1815*X) Y1=initial mass of Rn-222 , X = days
Y = 10*exp(-0.1815*2) = 6.956 grams of Rn-222

 
Radon 222 half life curve. Screen shot from CHEMIX School Curve fit & Function plot

radon 222 half
        life curve


Chemistry Software - Home