zalaybriajackson319 zalaybriajackson319
  • 10-12-2019
  • Chemistry
contestada

A 50 gram sample of a radioisotope undergoes 2 half-lives. How many grams
would remain at the end? Explain.

Respuesta :

Neetoo
Neetoo Neetoo
  • 16-12-2019

Answer:

At the end of second half life 12.5 g will left

Explanation:

Given data:

Total Mass = 50 g

Half lives = 2

Mass remain at the end = ?

Solution:

At time zero = 50 g

At 1st half life = 50 g /2 = 25 g

At second half life = 25 g/2 = 12.5 g

So at the end of second half life 12.5 g will left.

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