fetiro4660 fetiro4660
  • 21-11-2020
  • Chemistry
contestada

There are 5.0g of I-131 left after 40 days. How many grams were in the original sample if the half-life is 8 days?

Respuesta :

natattack04 natattack04
  • 21-11-2020
5.0=mo(1/2) ^ 5
5.0=mo (.031)
about 160/161.29
Answer Link

Otras preguntas

Vaccines were developed to provide immunity to a viral infection. Which of the following is a likely hypothesis of why the smallpox vaccine is no longer given?
Make a simple math drawing with labels
A doctors pay of $86 an hour at her job is $10 more than four times the amount the medical assistant earns. Write and solve an equation to find the hourly pay o
What motivated Christopher Columbus to find a shorter and more efficient sea route to Asia?
What is the difference between monomers and polymers?
balanced equation including phases for the reaction of hydroiodic acid and lithium hydrosulfite
What contributed to the downfall of China’s republic?
Find the doubling time for a city whose population is growing by 13% per year
When a goods price falls, we typically buy more because?
Which statement is true about blood alcohol concentration? A.) Blood alcohol concentration is affected by factors such as body size and gender. B.) Drinking cof