Post a New Question


posted by .

The disintegration of a radioisotope, such as I-131 to Xe-131, is another example of a first-order reaction.
It has a half-life of 8.0 days.

I-131 -> Xe-131 + e

If you start with 1.40 g I-131, how many grams of I-131 will be left after the following days?


  • chemistry -

    See your post above.

  • chemistry -

    A vial contains radioactive iodine-131 with an activity of 3.7 mCi per milliliter. If the thyroid test requires 2.9 mCi in an "atomic cocktail," how many milliliters are used to prepare the iodine-131 solution?

Answer This Question

First Name
School Subject
Your Answer

Related Questions

More Related Questions

Post a New Question