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05-09-2018
Chemistry

contestada

Technetium-104 has a half life of 18.0 minutes. how much of a 165.0 g sample remains after 90.0 minutes?

Respuesta :

kenmyna kenmyna

15-09-2018

The mass of 165.0 g sample that remains after 90.0 minutes is 5.16 grams

calculation

lambda㏑2/18= 0.0385

m(t)= 165 x e( 0.0385 x90) =5.16g

Answer Link

kenmyna kenmyna

15-09-2018

The mass of 165.0 g sample that remains after 90.0 minutes is 5.16 grams

calculation

lambda㏑2/18= 0.0385

m(t)= 165 x e( 0.0385 x90) =5.16g

Answer Link

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