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Chemistry, 18.09.2019 20:30 meganwintergirl

Potassium-40 has a half-life of 1.277 x 109 years. after 1.022 x 1010 years, how much potassium-40 will remain from a 500.3-g sample?
a. approximately 1.95 g
b. approximately 3.91 g
c. approximately 62.54 g
d. approximately 71.47 g

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Potassium-40 has a half-life of 1.277 x 109 years. after 1.022 x 1010 years, how much potassium-40 w...
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