Posted by **shylo** on Saturday, July 5, 2008 at 5:28pm.

please help me with this chemistry problem.

Half-Life

A radium-226 sample initially contains 0.112 mol. How much radium-226 is left in the sample after 6400 years? The half-life of radium-226 is 1600 years.

## Answer This Question

## Related Questions

- chemistry - A radium-226 sample initially contains 0.112mol. How much radium-226...
- nuclear chem - i need help solving this. Can you guys show me how it's done. ...
- Calculus - The half-life of Radium-226 is 1590 years. If a sample contains 100 ...
- Chemistry - Uranium-238 has half life of 4.51 * 10^9 years Uranium-234 has half ...
- physics - The half life period of radium is 1600 years.In how many years 1 gram ...
- chemistry - A radioactive isotope of radium (Ra-226) has a half-live of 1620 ...
- Math - In 1976 a research hospital bought half a gram of radium for cancer ...
- Math - In 1976 a research hospital bought half a gram of radium for cancer ...
- Math - Exponential Decay - Radium decays exponentially. Its half-life is 1,690 ...
- MATHS - please help me ...Experiments show that radium at rate proportional to ...

More Related Questions