The half-life of Palladium-100 is 4 days. After 12 days a sample of Palladium-100 has been reduced to a mass of 5 mg. What was the initial mass (in mg) of the sample? What is the mass 7 weeks after the start?

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Q: The half-life of Palladium-100 is 4 days. After 12 days the sample has been reduced to 10…

A: Given: Half life of palladium-100(λ)=4days           time(t)=12days           Mass (A)=10 mgwe know…

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Q: The half-life of Palladium-100 is 4 days. After 20 days a sample of Palladium-100 has been reduced…

A: Initial mass of the sample=moHalf side of pd-100 is y days . So , h=4relative decay rate…