The half-life of Palladium-120 is 5 days. After 18 days a sample of Palladium-120 has been reduced to a mass of 7 mg. What was the initial mass (in mg) of the sample?  What is the mass (in mg) 8 weeks after the start?  You may enter the exact value or round to 4 decimal places

Answer rating: 100% (QA)

To find the initial mass of the sample we can use the formula for radioactive decay ... View the full answer