hannatrinh
hannatrinh hannatrinh
  • 13-06-2018
  • Chemistry
contestada

If you have 10 g of a substance that the keys with the half-life of 14 days then how much will you have after 42 days?

1.25
3.13
2.50
6.25

Respuesta :

Ahdinsjdia Ahdinsjdia
  • 13-06-2018
Its 1.25g, you can see how many 14 day trials are in 42 days with division. Then you will find its 3. So you use the half life equation (t1/2)
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