physical science

posted by .

sodium-24 has a half life of 15 hours,how much of a 50 gram sample will be left after 60 hours

  • physical science -

    0.014 grams

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Chemistry

    A sample of sodium-24 with an activity of 12 mCi is used to study the rate of blow flow in the circulatory system. If sodium -24 has a half-life of 15 hours, what is the activity of the sodium after 2.5 d ?
  2. algebra

    11) The Half-Life of Tylenol is approximately 3 hours. If you take 1000mg, how Tylenol much is left in your body after 4 hours?
  3. earth science

    if carbon 14 has a half life of 24 days how much would be left of 220 gram sample after 168 days
  4. Physical Science- Help Please!

    Suppose that you are given a 100 gram sample of a radioactive substance with a half-life of 32 days. How many grams will be left after 192 days?
  5. Chemistry

    Potassium-42 has a half life of 12.4 hours. How much of an 848 g sample of potassium-42 will be left after 62.0 hours?
  6. physical science

    cobalt-60 has a half-life of 5.26 years, how much of a 500 gram sample will be left after 21 years
  7. science

    A half-life of mercury-195 is 31 hours. If you start with a sample of 5.00g of pure mercury-195, how much of it will still be present after 93 hours?
  8. math

    The radioactive isotope sodium-24 is used as a tracer to measure the rate of flow in an artery or vein. The half life of sodium-24 is 14.9 hours.Suppose that a hospital buys a sample of sodium-24 a. how much of the sample will remain …
  9. Science

    I need to know how much of a 2g sample of Technetium-99 would be left after 12 hours. The half life of Technetium-99 is 6 hours

    if 1g of a drug whose half-life is 9 hours is administered intravenously, how much of the drug is left after 3 hours?

More Similar Questions