Ask Question
11 June, 13:51

What is the half-life of a radioisotope if 25.0 grams of an original 200.-gram sample of the isotope remains unchanged after 11.46 days?

(1) 2.87 d (3) 11.46 d

(2) 3.82 d (4) 34.38 d

0
Answers (1)
  1. 11 June, 15:41
    0
    1. 200/2=100. 100/2=50. 50/2=25. So that's 3 to get to 25.

    2. 11.46/3=3.82

    The answer is (2).
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “What is the half-life of a radioisotope if 25.0 grams of an original 200.-gram sample of the isotope remains unchanged after 11.46 days? ...” in 📙 Chemistry if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers