Amanda309 Amanda309
  • 01-08-2022
  • Chemistry
contestada

Mercury-197 has a half-life of 3 days. Starting
with 300 grams, how much remains in 3
weeks? (Round to two places)

Respuesta :

jsimpson11000 jsimpson11000
  • 01-08-2022

Answer:

2.34 gms left

Explanation:

3 weeks = 21 days   =    7 half lives

300 * (1/2)^7 = 2.34 gms

Answer Link

Otras preguntas

how do u divide 16 by 3/5
name the four southwestern states where many Mexicans lived originally or settled
how do u divide 16 by 3/5
What is 68 divided by the square root of 4
An ant sits on the back of a mouse. The mouse carries the ant across the floor for a distance of 10 meters. Was there work done by the mouse? Explain.
A mouse population starts with 2,000 mice and grows at a rate of 5% per year. The number of mice after t years can be modeled by the equation, P(t)=2000(1.05)^t
what does the zeppelin
A ski jumper competing for an Olympic gold medal wants to jump a horizontal distance of 135 meters. The takeoff point of the ski jump is at a height of 25 meter
name the four southwestern states where many Mexicans lived originally or settled
Over what period of time would you expect to see large changes in mountains,canyons,and similar features of the earth?