Post Utme Abu 2019 Chemistry Question 39

Practice objective / multiple choice question 39 from the 2019 Post Utme Abu Chemistry examination.

Post Utme Abu 2019 Chemistry Objective / Multiple Choice
Question 39 POST_UTME_ABU • 2019 • CHEMISTRY • objective

The half-life \( t1/2 \) of a radioactive subs\tance is 5.00 years. If the initial amount (N0) is 100 g, calculate the amount (N) remaining after 10.0 years.

Answer Options

Correct Answer A. 12.5 g
B. 12.6 g
C. 12.7 g
D. 12.8 g
Correct Answer
A
Correct Option:
12.5 g

About This Question

This is Post Utme Abu 2019 Chemistry Question 39. It is one of the objective questions from the 2019 Post Utme Abu Chemistry examination.

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support