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Element X is a radioactive isotope such that every 13 years, its mass decreases by half. Given that the initial mass of a sample of Element X is 8800 grams, how much of the element would remain after 25 years

User Genespos
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Final answer:

Approximately 2059.2 grams of Element X would remain after 25 years, given its half-life of 13 years and an initial mass of 8800 grams.

Step-by-step explanation:

Understanding Radioactive Half-Life Calculation

Element X has a half-life of 13 years, which means that every 13 years, its mass decreases by half. Knowing the initial mass of Element X is 8800 grams, we want to determine the remaining mass after 25 years. To solve this, we use the formula for the decay of a radioactive substance:

Remaining mass = Initial mass × (1/2)^(time/half-life period)

In this case, the time is 25 years, and the half-life period is 13 years, leading to the following calculation:

Remaining mass = 8800 × (1/2)^(25/13)
= 8800 × (1/2)^(1.923) ≈ 8800 × 0.234
≈ 2059.2 grams

Therefore, approximately 2059.2 grams of Element X would remain after 25 years.

1 vote

Answer:it’s 2320

Step-by-step explanation:

User Tahmina Khatoon
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