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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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9 years ago
A 1.2 kg sample of Th-228 has a half-life of 1.9 years. How many grams of Th is left after 5.7 years?
A) 150
B) 75
C) 300
D) 0
E) none of the above

Textbook 
Introductory Chemistry Essentials

Introductory Chemistry Essentials


Edition: 5th
Author:
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mel!811mel!811
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3 years ago
Thanks
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