Answer to Question #204474 in General Chemistry for Grace

Question #204474

Ruthenium-106 has a half-life of 1.0 years. How many half-lives will pass in 25 years?


1
Expert's answer
2021-06-09T11:56:02-0400

At very first assume that the solution is of 

Now:

Comparing the  of acetic acid,  , these solutions aren’t very large comparative to .25M and .1M, it’s a buffer equation because there is a acid and conjugate base, so you’re able to use the Henderson Hasselbalch equation.


Now :




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